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Finding the Fourth Proportional to 83,649.78, 115,458.01 and 47,851.02

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Solution

The fourth proportional to 83,649.78, 115,458.01 and 47,851.02 is: 66,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,649.78 : 115,458.01 = 47,851.02 : x
  2. Step 2: Convert to fraction form
    83,649.78/115,458.01 = 47,851.02/x
  3. Step 3: Cross multiply
    83,649.78x = 115,458.01 × 47,851.02
  4. Step 4: Simplify right side
    83,649.78x = 5,524,783,426.04
  5. Step 5: Solve for x
    x = 5,524,783,426.04/83,649.78
  6. Step 6: Final answer
    x = 66,046.60

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