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Finding the Fourth Proportional to 77,247.99, 115,778.42 and 32,781.33

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Solution

The fourth proportional to 77,247.99, 115,778.42 and 32,781.33 is: 49,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,247.99 : 115,778.42 = 32,781.33 : x
  2. Step 2: Convert to fraction form
    77,247.99/115,778.42 = 32,781.33/x
  3. Step 3: Cross multiply
    77,247.99x = 115,778.42 × 32,781.33
  4. Step 4: Simplify right side
    77,247.99x = 3,795,370,592.90
  5. Step 5: Solve for x
    x = 3,795,370,592.90/77,247.99
  6. Step 6: Final answer
    x = 49,132.29

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