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Finding the Fourth Proportional to 83,117.90, 124,755.15 and 43,703.30

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Solution

The fourth proportional to 83,117.90, 124,755.15 and 43,703.30 is: 65,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,117.90 : 124,755.15 = 43,703.30 : x
  2. Step 2: Convert to fraction form
    83,117.90/124,755.15 = 43,703.30/x
  3. Step 3: Cross multiply
    83,117.90x = 124,755.15 × 43,703.30
  4. Step 4: Simplify right side
    83,117.90x = 5,452,211,747.00
  5. Step 5: Solve for x
    x = 5,452,211,747.00/83,117.90
  6. Step 6: Final answer
    x = 65,596.12

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