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Finding the Fourth Proportional to 53,704.80, 80,557.20 and 49,816.80

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Solution

The fourth proportional to 53,704.80, 80,557.20 and 49,816.80 is: 74,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,704.80 : 80,557.20 = 49,816.80 : x
  2. Step 2: Convert to fraction form
    53,704.80/80,557.20 = 49,816.80/x
  3. Step 3: Cross multiply
    53,704.80x = 80,557.20 × 49,816.80
  4. Step 4: Simplify right side
    53,704.80x = 4,013,101,920.96
  5. Step 5: Solve for x
    x = 4,013,101,920.96/53,704.80
  6. Step 6: Final answer
    x = 74,725.20

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