Home / 87,877.20-131,815.86-50,680.44

Finding the Fourth Proportional to 87,877.20, 131,815.86 and 50,680.44

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Solution

The fourth proportional to 87,877.20, 131,815.86 and 50,680.44 is: 76,020.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.20 : 131,815.86 = 50,680.44 : x
  2. Step 2: Convert to fraction form
    87,877.20/131,815.86 = 50,680.44/x
  3. Step 3: Cross multiply
    87,877.20x = 131,815.86 × 50,680.44
  4. Step 4: Simplify right side
    87,877.20x = 6,680,485,783.78
  5. Step 5: Solve for x
    x = 6,680,485,783.78/87,877.20
  6. Step 6: Final answer
    x = 76,020.69

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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.