Home / 87,600.91-131,399.52-28,436.50

Finding the Fourth Proportional to 87,600.91, 131,399.52 and 28,436.50

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Solution

The fourth proportional to 87,600.91, 131,399.52 and 28,436.50 is: 42,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,600.91 : 131,399.52 = 28,436.50 : x
  2. Step 2: Convert to fraction form
    87,600.91/131,399.52 = 28,436.50/x
  3. Step 3: Cross multiply
    87,600.91x = 131,399.52 × 28,436.50
  4. Step 4: Simplify right side
    87,600.91x = 3,736,542,450.48
  5. Step 5: Solve for x
    x = 3,736,542,450.48/87,600.91
  6. Step 6: Final answer
    x = 42,654.15

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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.