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Finding the Fourth Proportional to 73,631.80, 110,447.70 and 67,929.40

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Solution

The fourth proportional to 73,631.80, 110,447.70 and 67,929.40 is: 101,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,631.80 : 110,447.70 = 67,929.40 : x
  2. Step 2: Convert to fraction form
    73,631.80/110,447.70 = 67,929.40/x
  3. Step 3: Cross multiply
    73,631.80x = 110,447.70 × 67,929.40
  4. Step 4: Simplify right side
    73,631.80x = 7,502,645,992.38
  5. Step 5: Solve for x
    x = 7,502,645,992.38/73,631.80
  6. Step 6: Final answer
    x = 101,894.10

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