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Finding the Fourth Proportional to 88,673.64, 132,942.78 and 44,331.60

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Solution

The fourth proportional to 88,673.64, 132,942.78 and 44,331.60 is: 66,463.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,673.64 : 132,942.78 = 44,331.60 : x
  2. Step 2: Convert to fraction form
    88,673.64/132,942.78 = 44,331.60/x
  3. Step 3: Cross multiply
    88,673.64x = 132,942.78 × 44,331.60
  4. Step 4: Simplify right side
    88,673.64x = 5,893,566,145.85
  5. Step 5: Solve for x
    x = 5,893,566,145.85/88,673.64
  6. Step 6: Final answer
    x = 66,463.56

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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.