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Finding the Fourth Proportional to 73,147.44, 100,943.40 and 39,613.44

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Solution

The fourth proportional to 73,147.44, 100,943.40 and 39,613.44 is: 54,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147.44 : 100,943.40 = 39,613.44 : x
  2. Step 2: Convert to fraction form
    73,147.44/100,943.40 = 39,613.44/x
  3. Step 3: Cross multiply
    73,147.44x = 100,943.40 × 39,613.44
  4. Step 4: Simplify right side
    73,147.44x = 3,998,715,319.30
  5. Step 5: Solve for x
    x = 3,998,715,319.30/73,147.44
  6. Step 6: Final answer
    x = 54,666.51

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