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Finding the Fourth Proportional to 83,605.50, 115,375.59 and 45,879.75

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Solution

The fourth proportional to 83,605.50, 115,375.59 and 45,879.75 is: 63,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,605.50 : 115,375.59 = 45,879.75 : x
  2. Step 2: Convert to fraction form
    83,605.50/115,375.59 = 45,879.75/x
  3. Step 3: Cross multiply
    83,605.50x = 115,375.59 × 45,879.75
  4. Step 4: Simplify right side
    83,605.50x = 5,293,403,225.30
  5. Step 5: Solve for x
    x = 5,293,403,225.30/83,605.50
  6. Step 6: Final answer
    x = 63,314.06

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