Home / 87,541.19-131,101.31-49,987.47

Finding the Fourth Proportional to 87,541.19, 131,101.31 and 49,987.47

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Solution

The fourth proportional to 87,541.19, 131,101.31 and 49,987.47 is: 74,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,541.19 : 131,101.31 = 49,987.47 : x
  2. Step 2: Convert to fraction form
    87,541.19/131,101.31 = 49,987.47/x
  3. Step 3: Cross multiply
    87,541.19x = 131,101.31 × 49,987.47
  4. Step 4: Simplify right side
    87,541.19x = 6,553,422,800.59
  5. Step 5: Solve for x
    x = 6,553,422,800.59/87,541.19
  6. Step 6: Final answer
    x = 74,861.02

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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.