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Finding the Fourth Proportional to 55,796.80, 83,695.20 and 51,131.20

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Solution

The fourth proportional to 55,796.80, 83,695.20 and 51,131.20 is: 76,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796.80 : 83,695.20 = 51,131.20 : x
  2. Step 2: Convert to fraction form
    55,796.80/83,695.20 = 51,131.20/x
  3. Step 3: Cross multiply
    55,796.80x = 83,695.20 × 51,131.20
  4. Step 4: Simplify right side
    55,796.80x = 4,279,436,010.24
  5. Step 5: Solve for x
    x = 4,279,436,010.24/55,796.80
  6. Step 6: Final answer
    x = 76,696.80

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