Home / 87,909.38-131,885.93-25,579.88

Finding the Fourth Proportional to 87,909.38, 131,885.93 and 25,579.88

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Solution

The fourth proportional to 87,909.38, 131,885.93 and 25,579.88 is: 38,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,909.38 : 131,885.93 = 25,579.88 : x
  2. Step 2: Convert to fraction form
    87,909.38/131,885.93 = 25,579.88/x
  3. Step 3: Cross multiply
    87,909.38x = 131,885.93 × 25,579.88
  4. Step 4: Simplify right side
    87,909.38x = 3,373,625,667.61
  5. Step 5: Solve for x
    x = 3,373,625,667.61/87,909.38
  6. Step 6: Final answer
    x = 38,376.18

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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.