Home / 87,489.79-131,251.97-32,086.27

Finding the Fourth Proportional to 87,489.79, 131,251.97 and 32,086.27

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Solution

The fourth proportional to 87,489.79, 131,251.97 and 32,086.27 is: 48,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,489.79 : 131,251.97 = 32,086.27 : x
  2. Step 2: Convert to fraction form
    87,489.79/131,251.97 = 32,086.27/x
  3. Step 3: Cross multiply
    87,489.79x = 131,251.97 × 32,086.27
  4. Step 4: Simplify right side
    87,489.79x = 4,211,385,987.02
  5. Step 5: Solve for x
    x = 4,211,385,987.02/87,489.79
  6. Step 6: Final answer
    x = 48,135.74

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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.