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Finding the Fourth Proportional to 87,678.54, 131,460.30 and 49,728.42

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Solution

The fourth proportional to 87,678.54, 131,460.30 and 49,728.42 is: 74,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,678.54 : 131,460.30 = 49,728.42 : x
  2. Step 2: Convert to fraction form
    87,678.54/131,460.30 = 49,728.42/x
  3. Step 3: Cross multiply
    87,678.54x = 131,460.30 × 49,728.42
  4. Step 4: Simplify right side
    87,678.54x = 6,537,313,011.73
  5. Step 5: Solve for x
    x = 6,537,313,011.73/87,678.54
  6. Step 6: Final answer
    x = 74,560.01

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