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Finding the Fourth Proportional to 75,103.97, 103,648.49 and 43,274.93

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Solution

The fourth proportional to 75,103.97, 103,648.49 and 43,274.93 is: 59,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.97 : 103,648.49 = 43,274.93 : x
  2. Step 2: Convert to fraction form
    75,103.97/103,648.49 = 43,274.93/x
  3. Step 3: Cross multiply
    75,103.97x = 103,648.49 × 43,274.93
  4. Step 4: Simplify right side
    75,103.97x = 4,485,380,414.74
  5. Step 5: Solve for x
    x = 4,485,380,414.74/75,103.97
  6. Step 6: Final answer
    x = 59,722.29

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