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Finding the Fourth Proportional to 83,117.70, 124,640.10 and 33,181.20

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Solution

The fourth proportional to 83,117.70, 124,640.10 and 33,181.20 is: 49,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,117.70 : 124,640.10 = 33,181.20 : x
  2. Step 2: Convert to fraction form
    83,117.70/124,640.10 = 33,181.20/x
  3. Step 3: Cross multiply
    83,117.70x = 124,640.10 × 33,181.20
  4. Step 4: Simplify right side
    83,117.70x = 4,135,708,086.12
  5. Step 5: Solve for x
    x = 4,135,708,086.12/83,117.70
  6. Step 6: Final answer
    x = 49,757.25

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