Home / 80,714.33-121,071.62-38,584.52

Finding the Fourth Proportional to 80,714.33, 121,071.62 and 38,584.52

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Solution

The fourth proportional to 80,714.33, 121,071.62 and 38,584.52 is: 57,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,714.33 : 121,071.62 = 38,584.52 : x
  2. Step 2: Convert to fraction form
    80,714.33/121,071.62 = 38,584.52/x
  3. Step 3: Cross multiply
    80,714.33x = 121,071.62 × 38,584.52
  4. Step 4: Simplify right side
    80,714.33x = 4,671,489,545.04
  5. Step 5: Solve for x
    x = 4,671,489,545.04/80,714.33
  6. Step 6: Final answer
    x = 57,876.83

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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.