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Finding the Fourth Proportional to 54,745.10, 82,117.65 and 54,226.70

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Solution

The fourth proportional to 54,745.10, 82,117.65 and 54,226.70 is: 81,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,745.10 : 82,117.65 = 54,226.70 : x
  2. Step 2: Convert to fraction form
    54,745.10/82,117.65 = 54,226.70/x
  3. Step 3: Cross multiply
    54,745.10x = 82,117.65 × 54,226.70
  4. Step 4: Simplify right side
    54,745.10x = 4,452,969,171.26
  5. Step 5: Solve for x
    x = 4,452,969,171.26/54,745.10
  6. Step 6: Final answer
    x = 81,340.05

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