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Finding the Fourth Proportional to 67,252.80, 100,879.20 and 61,723.20

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Solution

The fourth proportional to 67,252.80, 100,879.20 and 61,723.20 is: 92,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,252.80 : 100,879.20 = 61,723.20 : x
  2. Step 2: Convert to fraction form
    67,252.80/100,879.20 = 61,723.20/x
  3. Step 3: Cross multiply
    67,252.80x = 100,879.20 × 61,723.20
  4. Step 4: Simplify right side
    67,252.80x = 6,226,587,037.44
  5. Step 5: Solve for x
    x = 6,226,587,037.44/67,252.80
  6. Step 6: Final answer
    x = 92,584.80

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