Home / 87,592.86-131,432.22-54,304.11

Finding the Fourth Proportional to 87,592.86, 131,432.22 and 54,304.11

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Solution

The fourth proportional to 87,592.86, 131,432.22 and 54,304.11 is: 81,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,592.86 : 131,432.22 = 54,304.11 : x
  2. Step 2: Convert to fraction form
    87,592.86/131,432.22 = 54,304.11/x
  3. Step 3: Cross multiply
    87,592.86x = 131,432.22 × 54,304.11
  4. Step 4: Simplify right side
    87,592.86x = 7,137,309,732.42
  5. Step 5: Solve for x
    x = 7,137,309,732.42/87,592.86
  6. Step 6: Final answer
    x = 81,482.78

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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.