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Finding the Fourth Proportional to 73,961.98, 102,068.18 and 68,311.32

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Solution

The fourth proportional to 73,961.98, 102,068.18 and 68,311.32 is: 94,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,961.98 : 102,068.18 = 68,311.32 : x
  2. Step 2: Convert to fraction form
    73,961.98/102,068.18 = 68,311.32/x
  3. Step 3: Cross multiply
    73,961.98x = 102,068.18 × 68,311.32
  4. Step 4: Simplify right side
    73,961.98x = 6,972,412,105.80
  5. Step 5: Solve for x
    x = 6,972,412,105.80/73,961.98
  6. Step 6: Final answer
    x = 94,270.22

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