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Finding the Fourth Proportional to 88,996.79, 133,515.19 and 29,830.95

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Solution

The fourth proportional to 88,996.79, 133,515.19 and 29,830.95 is: 44,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,996.79 : 133,515.19 = 29,830.95 : x
  2. Step 2: Convert to fraction form
    88,996.79/133,515.19 = 29,830.95/x
  3. Step 3: Cross multiply
    88,996.79x = 133,515.19 × 29,830.95
  4. Step 4: Simplify right side
    88,996.79x = 3,982,884,826.62
  5. Step 5: Solve for x
    x = 3,982,884,826.62/88,996.79
  6. Step 6: Final answer
    x = 44,753.13

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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.