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Finding the Fourth Proportional to 79,372.20, 118,961.10 and 34,951.80

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Solution

The fourth proportional to 79,372.20, 118,961.10 and 34,951.80 is: 52,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,372.20 : 118,961.10 = 34,951.80 : x
  2. Step 2: Convert to fraction form
    79,372.20/118,961.10 = 34,951.80/x
  3. Step 3: Cross multiply
    79,372.20x = 118,961.10 × 34,951.80
  4. Step 4: Simplify right side
    79,372.20x = 4,157,904,574.98
  5. Step 5: Solve for x
    x = 4,157,904,574.98/79,372.20
  6. Step 6: Final answer
    x = 52,384.90

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