Home / 87,850.76-131,713.49-41,078.12

Finding the Fourth Proportional to 87,850.76, 131,713.49 and 41,078.12

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Solution

The fourth proportional to 87,850.76, 131,713.49 and 41,078.12 is: 61,587.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,850.76 : 131,713.49 = 41,078.12 : x
  2. Step 2: Convert to fraction form
    87,850.76/131,713.49 = 41,078.12/x
  3. Step 3: Cross multiply
    87,850.76x = 131,713.49 × 41,078.12
  4. Step 4: Simplify right side
    87,850.76x = 5,410,541,683.88
  5. Step 5: Solve for x
    x = 5,410,541,683.88/87,850.76
  6. Step 6: Final answer
    x = 61,587.88

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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.