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Finding the Fourth Proportional to 88,591.28, 132,922.32 and 36,004.88

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Solution

The fourth proportional to 88,591.28, 132,922.32 and 36,004.88 is: 54,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,591.28 : 132,922.32 = 36,004.88 : x
  2. Step 2: Convert to fraction form
    88,591.28/132,922.32 = 36,004.88/x
  3. Step 3: Cross multiply
    88,591.28x = 132,922.32 × 36,004.88
  4. Step 4: Simplify right side
    88,591.28x = 4,785,852,180.92
  5. Step 5: Solve for x
    x = 4,785,852,180.92/88,591.28
  6. Step 6: Final answer
    x = 54,021.71

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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.