Home / 87,542.70-131,103.54-49,988.97

Finding the Fourth Proportional to 87,542.70, 131,103.54 and 49,988.97

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Solution

The fourth proportional to 87,542.70, 131,103.54 and 49,988.97 is: 74,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,542.70 : 131,103.54 = 49,988.97 : x
  2. Step 2: Convert to fraction form
    87,542.70/131,103.54 = 49,988.97/x
  3. Step 3: Cross multiply
    87,542.70x = 131,103.54 × 49,988.97
  4. Step 4: Simplify right side
    87,542.70x = 6,553,730,927.95
  5. Step 5: Solve for x
    x = 6,553,730,927.95/87,542.70
  6. Step 6: Final answer
    x = 74,863.25

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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.