Home / 87,439.92-131,159.76-34,886.31

Finding the Fourth Proportional to 87,439.92, 131,159.76 and 34,886.31

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Solution

The fourth proportional to 87,439.92, 131,159.76 and 34,886.31 is: 52,329.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,439.92 : 131,159.76 = 34,886.31 : x
  2. Step 2: Convert to fraction form
    87,439.92/131,159.76 = 34,886.31/x
  3. Step 3: Cross multiply
    87,439.92x = 131,159.76 × 34,886.31
  4. Step 4: Simplify right side
    87,439.92x = 4,575,680,046.89
  5. Step 5: Solve for x
    x = 4,575,680,046.89/87,439.92
  6. Step 6: Final answer
    x = 52,329.42

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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.