Question

720:840 :: 60:? (reasoning)​

Answer 1

Answer:

The value of $x=70$.

The equation becomes, $720:840::60:70$.

Step-by-step explanation:

Given : $720:840::60:?$

To find : The value of ?.

Solution :

• It is given that $720:840::60:?$
• We have to find the value of ?
• Let, the missing term be $x$.
• We can rewrite the given expression in the following way as

               $\frac{720}{840} =\frac{60}{x}$

•    By cross multiplication, we get

           $720x=840*60$

         ∴ $720 x = 50400$

             ∴ $x=\frac{50400}{720}$

             ∴ $x=70$

• ∴ The value of $x=70$.

• The equation becomes, $720:840::60:70$.