Home / 72,338.73-108,508.11-30,195.83

Finding the Fourth Proportional to 72,338.73, 108,508.11 and 30,195.83

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Solution

The fourth proportional to 72,338.73, 108,508.11 and 30,195.83 is: 45,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338.73 : 108,508.11 = 30,195.83 : x
  2. Step 2: Convert to fraction form
    72,338.73/108,508.11 = 30,195.83/x
  3. Step 3: Cross multiply
    72,338.73x = 108,508.11 × 30,195.83
  4. Step 4: Simplify right side
    72,338.73x = 3,276,491,900.64
  5. Step 5: Solve for x
    x = 3,276,491,900.64/72,338.73
  6. Step 6: Final answer
    x = 45,293.74

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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.