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Finding the Fourth Proportional to 80,741.82, 111,440.07 and 47,218.62

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Solution

The fourth proportional to 80,741.82, 111,440.07 and 47,218.62 is: 65,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,741.82 : 111,440.07 = 47,218.62 : x
  2. Step 2: Convert to fraction form
    80,741.82/111,440.07 = 47,218.62/x
  3. Step 3: Cross multiply
    80,741.82x = 111,440.07 × 47,218.62
  4. Step 4: Simplify right side
    80,741.82x = 5,262,046,318.10
  5. Step 5: Solve for x
    x = 5,262,046,318.10/80,741.82
  6. Step 6: Final answer
    x = 65,171.26

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