Home / 87,292.07-120,459.67-53,357.38

Finding the Fourth Proportional to 87,292.07, 120,459.67 and 53,357.38

Calculator

Solution

The fourth proportional to 87,292.07, 120,459.67 and 53,357.38 is: 73,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,292.07 : 120,459.67 = 53,357.38 : x
  2. Step 2: Convert to fraction form
    87,292.07/120,459.67 = 53,357.38/x
  3. Step 3: Cross multiply
    87,292.07x = 120,459.67 × 53,357.38
  4. Step 4: Simplify right side
    87,292.07x = 6,427,411,517.78
  5. Step 5: Solve for x
    x = 6,427,411,517.78/87,292.07
  6. Step 6: Final answer
    x = 73,631.10

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.