Home / 87,766.31-131,654.94-35,168.96

Finding the Fourth Proportional to 87,766.31, 131,654.94 and 35,168.96

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Solution

The fourth proportional to 87,766.31, 131,654.94 and 35,168.96 is: 52,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,766.31 : 131,654.94 = 35,168.96 : x
  2. Step 2: Convert to fraction form
    87,766.31/131,654.94 = 35,168.96/x
  3. Step 3: Cross multiply
    87,766.31x = 131,654.94 × 35,168.96
  4. Step 4: Simplify right side
    87,766.31x = 4,630,167,318.66
  5. Step 5: Solve for x
    x = 4,630,167,318.66/87,766.31
  6. Step 6: Final answer
    x = 52,755.63

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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.