Home / 87,542.40-131,227.20-34,881.60

Finding the Fourth Proportional to 87,542.40, 131,227.20 and 34,881.60

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Solution

The fourth proportional to 87,542.40, 131,227.20 and 34,881.60 is: 52,287.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,542.40 : 131,227.20 = 34,881.60 : x
  2. Step 2: Convert to fraction form
    87,542.40/131,227.20 = 34,881.60/x
  3. Step 3: Cross multiply
    87,542.40x = 131,227.20 × 34,881.60
  4. Step 4: Simplify right side
    87,542.40x = 4,577,414,699.52
  5. Step 5: Solve for x
    x = 4,577,414,699.52/87,542.40
  6. Step 6: Final answer
    x = 52,287.97

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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.