Home / 83,479.29-115,213.23-51,658.44

Finding the Fourth Proportional to 83,479.29, 115,213.23 and 51,658.44

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Solution

The fourth proportional to 83,479.29, 115,213.23 and 51,658.44 is: 71,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,479.29 : 115,213.23 = 51,658.44 : x
  2. Step 2: Convert to fraction form
    83,479.29/115,213.23 = 51,658.44/x
  3. Step 3: Cross multiply
    83,479.29x = 115,213.23 × 51,658.44
  4. Step 4: Simplify right side
    83,479.29x = 5,951,735,729.16
  5. Step 5: Solve for x
    x = 5,951,735,729.16/83,479.29
  6. Step 6: Final answer
    x = 71,295.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.