Home / 87,540.39-131,433.93-44,876.88

Finding the Fourth Proportional to 87,540.39, 131,433.93 and 44,876.88

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Solution

The fourth proportional to 87,540.39, 131,433.93 and 44,876.88 is: 67,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540.39 : 131,433.93 = 44,876.88 : x
  2. Step 2: Convert to fraction form
    87,540.39/131,433.93 = 44,876.88/x
  3. Step 3: Cross multiply
    87,540.39x = 131,433.93 × 44,876.88
  4. Step 4: Simplify right side
    87,540.39x = 5,898,344,704.54
  5. Step 5: Solve for x
    x = 5,898,344,704.54/87,540.39
  6. Step 6: Final answer
    x = 67,378.55

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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.