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Finding the Fourth Proportional to 88,694.64, 132,942.33 and 58,358.52

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Solution

The fourth proportional to 88,694.64, 132,942.33 and 58,358.52 is: 87,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.64 : 132,942.33 = 58,358.52 : x
  2. Step 2: Convert to fraction form
    88,694.64/132,942.33 = 58,358.52/x
  3. Step 3: Cross multiply
    88,694.64x = 132,942.33 × 58,358.52
  4. Step 4: Simplify right side
    88,694.64x = 7,758,317,624.15
  5. Step 5: Solve for x
    x = 7,758,317,624.15/88,694.64
  6. Step 6: Final answer
    x = 87,472.23

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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.