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Finding the Fourth Proportional to 88,889.54, 133,306.51 and 29,711.37

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Solution

The fourth proportional to 88,889.54, 133,306.51 and 29,711.37 is: 44,557.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,889.54 : 133,306.51 = 29,711.37 : x
  2. Step 2: Convert to fraction form
    88,889.54/133,306.51 = 29,711.37/x
  3. Step 3: Cross multiply
    88,889.54x = 133,306.51 × 29,711.37
  4. Step 4: Simplify right side
    88,889.54x = 3,960,718,398.57
  5. Step 5: Solve for x
    x = 3,960,718,398.57/88,889.54
  6. Step 6: Final answer
    x = 44,557.76

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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.