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Finding the Fourth Proportional to 88,389.92, 132,463.68 and 46,753.76

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Solution

The fourth proportional to 88,389.92, 132,463.68 and 46,753.76 is: 70,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,389.92 : 132,463.68 = 46,753.76 : x
  2. Step 2: Convert to fraction form
    88,389.92/132,463.68 = 46,753.76/x
  3. Step 3: Cross multiply
    88,389.92x = 132,463.68 × 46,753.76
  4. Step 4: Simplify right side
    88,389.92x = 6,193,175,103.44
  5. Step 5: Solve for x
    x = 6,193,175,103.44/88,389.92
  6. Step 6: Final answer
    x = 70,066.53

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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.