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Finding the Fourth Proportional to 54,158.48, 81,179.40 and 51,675.44

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Solution

The fourth proportional to 54,158.48, 81,179.40 and 51,675.44 is: 77,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,158.48 : 81,179.40 = 51,675.44 : x
  2. Step 2: Convert to fraction form
    54,158.48/81,179.40 = 51,675.44/x
  3. Step 3: Cross multiply
    54,158.48x = 81,179.40 × 51,675.44
  4. Step 4: Simplify right side
    54,158.48x = 4,194,981,213.94
  5. Step 5: Solve for x
    x = 4,194,981,213.94/54,158.48
  6. Step 6: Final answer
    x = 77,457.51

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