Home / 87,456.38-131,248.30-34,880.90

Finding the Fourth Proportional to 87,456.38, 131,248.30 and 34,880.90

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Solution

The fourth proportional to 87,456.38, 131,248.30 and 34,880.90 is: 52,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,456.38 : 131,248.30 = 34,880.90 : x
  2. Step 2: Convert to fraction form
    87,456.38/131,248.30 = 34,880.90/x
  3. Step 3: Cross multiply
    87,456.38x = 131,248.30 × 34,880.90
  4. Step 4: Simplify right side
    87,456.38x = 4,578,058,827.47
  5. Step 5: Solve for x
    x = 4,578,058,827.47/87,456.38
  6. Step 6: Final answer
    x = 52,346.77

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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.