Home / 72,234.11-108,351.32-38,969.84

Finding the Fourth Proportional to 72,234.11, 108,351.32 and 38,969.84

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Solution

The fourth proportional to 72,234.11, 108,351.32 and 38,969.84 is: 58,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,234.11 : 108,351.32 = 38,969.84 : x
  2. Step 2: Convert to fraction form
    72,234.11/108,351.32 = 38,969.84/x
  3. Step 3: Cross multiply
    72,234.11x = 108,351.32 × 38,969.84
  4. Step 4: Simplify right side
    72,234.11x = 4,222,433,899.42
  5. Step 5: Solve for x
    x = 4,222,433,899.42/72,234.11
  6. Step 6: Final answer
    x = 58,454.85

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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.