Home / 87,459.38-131,252.79-34,883.90

Finding the Fourth Proportional to 87,459.38, 131,252.79 and 34,883.90

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Solution

The fourth proportional to 87,459.38, 131,252.79 and 34,883.90 is: 52,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,459.38 : 131,252.79 = 34,883.90 : x
  2. Step 2: Convert to fraction form
    87,459.38/131,252.79 = 34,883.90/x
  3. Step 3: Cross multiply
    87,459.38x = 131,252.79 × 34,883.90
  4. Step 4: Simplify right side
    87,459.38x = 4,578,609,201.08
  5. Step 5: Solve for x
    x = 4,578,609,201.08/87,459.38
  6. Step 6: Final answer
    x = 52,351.27

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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.