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Finding the Fourth Proportional to 69,278.70, 103,658.56 and 49,334.28

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Solution

The fourth proportional to 69,278.70, 103,658.56 and 49,334.28 is: 73,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,278.70 : 103,658.56 = 49,334.28 : x
  2. Step 2: Convert to fraction form
    69,278.70/103,658.56 = 49,334.28/x
  3. Step 3: Cross multiply
    69,278.70x = 103,658.56 × 49,334.28
  4. Step 4: Simplify right side
    69,278.70x = 5,113,920,423.44
  5. Step 5: Solve for x
    x = 5,113,920,423.44/69,278.70
  6. Step 6: Final answer
    x = 73,816.63

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