Home / 87,251.55-130,824.77-39,211.35

Finding the Fourth Proportional to 87,251.55, 130,824.77 and 39,211.35

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Solution

The fourth proportional to 87,251.55, 130,824.77 and 39,211.35 is: 58,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,251.55 : 130,824.77 = 39,211.35 : x
  2. Step 2: Convert to fraction form
    87,251.55/130,824.77 = 39,211.35/x
  3. Step 3: Cross multiply
    87,251.55x = 130,824.77 × 39,211.35
  4. Step 4: Simplify right side
    87,251.55x = 5,129,815,649.08
  5. Step 5: Solve for x
    x = 5,129,815,649.08/87,251.55
  6. Step 6: Final answer
    x = 58,793.40

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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.