What Divided by 90 Equals 4?
Methods
Setting up the problem:
In a problem like this, the “what” means that we’re working with a variable. The most common variable used in math is “x”. So, we could say what number, x, when divided by 90, equals 4?
Solving What Divided by 90 Equals 4
Here’s how you would set up this question as an equation:
x
90
=
4
\frac{x}{90} = 4
90 x = 4
The goal of the problem is to solve for x. To do this we need to change the equation so that x is alone on one side of the equation.In this case, we can do that by multiplying both sides of the equation by 90, resulting in this equation:
x
=
4
∗
90
x = 4*90
x = 4 ∗ 90
Then we simplify and find our answer:
x
=
360
x = 360
x = 360
So, the answer to the question “What divided by 90 equals 4?” is 360.To prove this, we can take the original problem:
x
90
=
4
\frac{x}{90} = 4
90 x = 4
And insert 360 in the place of x:
360
90
=
4
\frac{360}{90} = 4
90 360 = 4
Because this is true, the answer must be correct.
Practice Other Division Problems Like This One
If this problem was a little difficult or you want to practice your skills on another one, give it a go on any one of these too!
What divided by 99 equals 24?
9 divided by what equals 11?
What is 1/2 divided by 72?
What is 20/16 divided by 8/18?
What is 95 divided by 13/17?