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Finding the Fourth Proportional to 83,634.80, 125,452.20 and 48,205.40

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Solution

The fourth proportional to 83,634.80, 125,452.20 and 48,205.40 is: 72,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.80 : 125,452.20 = 48,205.40 : x
  2. Step 2: Convert to fraction form
    83,634.80/125,452.20 = 48,205.40/x
  3. Step 3: Cross multiply
    83,634.80x = 125,452.20 × 48,205.40
  4. Step 4: Simplify right side
    83,634.80x = 6,047,473,481.88
  5. Step 5: Solve for x
    x = 6,047,473,481.88/83,634.80
  6. Step 6: Final answer
    x = 72,308.10

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