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Finding the Fourth Proportional to 83,379.30, 115,062.28 and 45,653.55

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Solution

The fourth proportional to 83,379.30, 115,062.28 and 45,653.55 is: 63,001.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,379.30 : 115,062.28 = 45,653.55 : x
  2. Step 2: Convert to fraction form
    83,379.30/115,062.28 = 45,653.55/x
  3. Step 3: Cross multiply
    83,379.30x = 115,062.28 × 45,653.55
  4. Step 4: Simplify right side
    83,379.30x = 5,253,001,553.09
  5. Step 5: Solve for x
    x = 5,253,001,553.09/83,379.30
  6. Step 6: Final answer
    x = 63,001.27

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