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Finding the Fourth Proportional to 54,267.70, 81,401.55 and 49,429.30

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Solution

The fourth proportional to 54,267.70, 81,401.55 and 49,429.30 is: 74,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,267.70 : 81,401.55 = 49,429.30 : x
  2. Step 2: Convert to fraction form
    54,267.70/81,401.55 = 49,429.30/x
  3. Step 3: Cross multiply
    54,267.70x = 81,401.55 × 49,429.30
  4. Step 4: Simplify right side
    54,267.70x = 4,023,621,635.42
  5. Step 5: Solve for x
    x = 4,023,621,635.42/54,267.70
  6. Step 6: Final answer
    x = 74,143.95

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