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Finding the Fourth Proportional to 79,251.91, 109,378.82 and 49,046.96

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Solution

The fourth proportional to 79,251.91, 109,378.82 and 49,046.96 is: 67,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251.91 : 109,378.82 = 49,046.96 : x
  2. Step 2: Convert to fraction form
    79,251.91/109,378.82 = 49,046.96/x
  3. Step 3: Cross multiply
    79,251.91x = 109,378.82 × 49,046.96
  4. Step 4: Simplify right side
    79,251.91x = 5,364,698,062.49
  5. Step 5: Solve for x
    x = 5,364,698,062.49/79,251.91
  6. Step 6: Final answer
    x = 67,691.72

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