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Finding the Fourth Proportional to 67,697.80, 101,546.70 and 30,761.80

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Solution

The fourth proportional to 67,697.80, 101,546.70 and 30,761.80 is: 46,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,697.80 : 101,546.70 = 30,761.80 : x
  2. Step 2: Convert to fraction form
    67,697.80/101,546.70 = 30,761.80/x
  3. Step 3: Cross multiply
    67,697.80x = 101,546.70 × 30,761.80
  4. Step 4: Simplify right side
    67,697.80x = 3,123,759,276.06
  5. Step 5: Solve for x
    x = 3,123,759,276.06/67,697.80
  6. Step 6: Final answer
    x = 46,142.70

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