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Finding the Fourth Proportional to 71,716.26, 98,967.03 and 39,884.48

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Solution

The fourth proportional to 71,716.26, 98,967.03 and 39,884.48 is: 55,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,716.26 : 98,967.03 = 39,884.48 : x
  2. Step 2: Convert to fraction form
    71,716.26/98,967.03 = 39,884.48/x
  3. Step 3: Cross multiply
    71,716.26x = 98,967.03 × 39,884.48
  4. Step 4: Simplify right side
    71,716.26x = 3,947,248,033.86
  5. Step 5: Solve for x
    x = 3,947,248,033.86/71,716.26
  6. Step 6: Final answer
    x = 55,039.79

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