Home / 87,540.92-131,344.48-34,270.98

Finding the Fourth Proportional to 87,540.92, 131,344.48 and 34,270.98

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Solution

The fourth proportional to 87,540.92, 131,344.48 and 34,270.98 is: 51,419.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,540.92 : 131,344.48 = 34,270.98 : x
  2. Step 2: Convert to fraction form
    87,540.92/131,344.48 = 34,270.98/x
  3. Step 3: Cross multiply
    87,540.92x = 131,344.48 × 34,270.98
  4. Step 4: Simplify right side
    87,540.92x = 4,501,304,047.19
  5. Step 5: Solve for x
    x = 4,501,304,047.19/87,540.92
  6. Step 6: Final answer
    x = 51,419.43

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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.