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Finding the Fourth Proportional to 79,691.22, 109,969.53 and 43,874.43

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Solution

The fourth proportional to 79,691.22, 109,969.53 and 43,874.43 is: 60,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,691.22 : 109,969.53 = 43,874.43 : x
  2. Step 2: Convert to fraction form
    79,691.22/109,969.53 = 43,874.43/x
  3. Step 3: Cross multiply
    79,691.22x = 109,969.53 × 43,874.43
  4. Step 4: Simplify right side
    79,691.22x = 4,824,850,446.12
  5. Step 5: Solve for x
    x = 4,824,850,446.12/79,691.22
  6. Step 6: Final answer
    x = 60,544.32

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