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Finding the Fourth Proportional to 88,375.97, 132,584.72 and 29,211.64

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Solution

The fourth proportional to 88,375.97, 132,584.72 and 29,211.64 is: 43,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,375.97 : 132,584.72 = 29,211.64 : x
  2. Step 2: Convert to fraction form
    88,375.97/132,584.72 = 29,211.64/x
  3. Step 3: Cross multiply
    88,375.97x = 132,584.72 × 29,211.64
  4. Step 4: Simplify right side
    88,375.97x = 3,873,016,632.62
  5. Step 5: Solve for x
    x = 3,873,016,632.62/88,375.97
  6. Step 6: Final answer
    x = 43,824.32

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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.