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Finding the Fourth Proportional to 67,122.62, 100,761.70 and 36,018.62

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Solution

The fourth proportional to 67,122.62, 100,761.70 and 36,018.62 is: 54,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.62 : 100,761.70 = 36,018.62 : x
  2. Step 2: Convert to fraction form
    67,122.62/100,761.70 = 36,018.62/x
  3. Step 3: Cross multiply
    67,122.62x = 100,761.70 × 36,018.62
  4. Step 4: Simplify right side
    67,122.62x = 3,629,297,382.85
  5. Step 5: Solve for x
    x = 3,629,297,382.85/67,122.62
  6. Step 6: Final answer
    x = 54,069.66

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