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Finding the Fourth Proportional to 54,253.64, 81,281.95 and 53,072.66

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Solution

The fourth proportional to 54,253.64, 81,281.95 and 53,072.66 is: 79,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.64 : 81,281.95 = 53,072.66 : x
  2. Step 2: Convert to fraction form
    54,253.64/81,281.95 = 53,072.66/x
  3. Step 3: Cross multiply
    54,253.64x = 81,281.95 × 53,072.66
  4. Step 4: Simplify right side
    54,253.64x = 4,313,849,367.01
  5. Step 5: Solve for x
    x = 4,313,849,367.01/54,253.64
  6. Step 6: Final answer
    x = 79,512.62

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