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Finding the Fourth Proportional to 83,086.60, 124,629.90 and 49,844.20

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Solution

The fourth proportional to 83,086.60, 124,629.90 and 49,844.20 is: 74,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,086.60 : 124,629.90 = 49,844.20 : x
  2. Step 2: Convert to fraction form
    83,086.60/124,629.90 = 49,844.20/x
  3. Step 3: Cross multiply
    83,086.60x = 124,629.90 × 49,844.20
  4. Step 4: Simplify right side
    83,086.60x = 6,212,077,661.58
  5. Step 5: Solve for x
    x = 6,212,077,661.58/83,086.60
  6. Step 6: Final answer
    x = 74,766.30

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