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Finding the Fourth Proportional to 72,098.59, 107,934.90 and 53,253.49

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Solution

The fourth proportional to 72,098.59, 107,934.90 and 53,253.49 is: 79,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,098.59 : 107,934.90 = 53,253.49 : x
  2. Step 2: Convert to fraction form
    72,098.59/107,934.90 = 53,253.49/x
  3. Step 3: Cross multiply
    72,098.59x = 107,934.90 × 53,253.49
  4. Step 4: Simplify right side
    72,098.59x = 5,747,910,117.80
  5. Step 5: Solve for x
    x = 5,747,910,117.80/72,098.59
  6. Step 6: Final answer
    x = 79,722.92

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