Home / 87,324.76-131,044.50-47,909.56

Finding the Fourth Proportional to 87,324.76, 131,044.50 and 47,909.56

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Solution

The fourth proportional to 87,324.76, 131,044.50 and 47,909.56 is: 71,895.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,324.76 : 131,044.50 = 47,909.56 : x
  2. Step 2: Convert to fraction form
    87,324.76/131,044.50 = 47,909.56/x
  3. Step 3: Cross multiply
    87,324.76x = 131,044.50 × 47,909.56
  4. Step 4: Simplify right side
    87,324.76x = 6,278,284,335.42
  5. Step 5: Solve for x
    x = 6,278,284,335.42/87,324.76
  6. Step 6: Final answer
    x = 71,895.81

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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.