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Finding the Fourth Proportional to 88,676.60, 132,963.68 and 60,630.62

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Solution

The fourth proportional to 88,676.60, 132,963.68 and 60,630.62 is: 90,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.60 : 132,963.68 = 60,630.62 : x
  2. Step 2: Convert to fraction form
    88,676.60/132,963.68 = 60,630.62/x
  3. Step 3: Cross multiply
    88,676.60x = 132,963.68 × 60,630.62
  4. Step 4: Simplify right side
    88,676.60x = 8,061,669,387.91
  5. Step 5: Solve for x
    x = 8,061,669,387.91/88,676.60
  6. Step 6: Final answer
    x = 90,910.90

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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.