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Finding the Fourth Proportional to 83,815.20, 125,868.60 and 44,449.20

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Solution

The fourth proportional to 83,815.20, 125,868.60 and 44,449.20 is: 66,751.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,815.20 : 125,868.60 = 44,449.20 : x
  2. Step 2: Convert to fraction form
    83,815.20/125,868.60 = 44,449.20/x
  3. Step 3: Cross multiply
    83,815.20x = 125,868.60 × 44,449.20
  4. Step 4: Simplify right side
    83,815.20x = 5,594,758,575.12
  5. Step 5: Solve for x
    x = 5,594,758,575.12/83,815.20
  6. Step 6: Final answer
    x = 66,751.12

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