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Finding the Fourth Proportional to 83,115.70, 124,637.10 and 33,179.20

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Solution

The fourth proportional to 83,115.70, 124,637.10 and 33,179.20 is: 49,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,115.70 : 124,637.10 = 33,179.20 : x
  2. Step 2: Convert to fraction form
    83,115.70/124,637.10 = 33,179.20/x
  3. Step 3: Cross multiply
    83,115.70x = 124,637.10 × 33,179.20
  4. Step 4: Simplify right side
    83,115.70x = 4,135,359,268.32
  5. Step 5: Solve for x
    x = 4,135,359,268.32/83,115.70
  6. Step 6: Final answer
    x = 49,754.25

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