Home / 87,290.82-120,457.94-53,356.12

Finding the Fourth Proportional to 87,290.82, 120,457.94 and 53,356.12

Calculator

Solution

The fourth proportional to 87,290.82, 120,457.94 and 53,356.12 is: 73,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,290.82 : 120,457.94 = 53,356.12 : x
  2. Step 2: Convert to fraction form
    87,290.82/120,457.94 = 53,356.12/x
  3. Step 3: Cross multiply
    87,290.82x = 120,457.94 × 53,356.12
  4. Step 4: Simplify right side
    87,290.82x = 6,427,168,536.04
  5. Step 5: Solve for x
    x = 6,427,168,536.04/87,290.82
  6. Step 6: Final answer
    x = 73,629.38

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.