Home / 87,371.55-131,057.33-52,293.15

Finding the Fourth Proportional to 87,371.55, 131,057.33 and 52,293.15

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Solution

The fourth proportional to 87,371.55, 131,057.33 and 52,293.15 is: 78,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,371.55 : 131,057.33 = 52,293.15 : x
  2. Step 2: Convert to fraction form
    87,371.55/131,057.33 = 52,293.15/x
  3. Step 3: Cross multiply
    87,371.55x = 131,057.33 × 52,293.15
  4. Step 4: Simplify right side
    87,371.55x = 6,853,400,354.82
  5. Step 5: Solve for x
    x = 6,853,400,354.82/87,371.55
  6. Step 6: Final answer
    x = 78,439.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.