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Finding the Fourth Proportional to 89,092.44, 133,522.02 and 36,440.28

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Solution

The fourth proportional to 89,092.44, 133,522.02 and 36,440.28 is: 54,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,092.44 : 133,522.02 = 36,440.28 : x
  2. Step 2: Convert to fraction form
    89,092.44/133,522.02 = 36,440.28/x
  3. Step 3: Cross multiply
    89,092.44x = 133,522.02 × 36,440.28
  4. Step 4: Simplify right side
    89,092.44x = 4,865,579,794.97
  5. Step 5: Solve for x
    x = 4,865,579,794.97/89,092.44
  6. Step 6: Final answer
    x = 54,612.71

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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.