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Finding the Fourth Proportional to 87,348.42, 131,021.41 and 49,828.42

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Solution

The fourth proportional to 87,348.42, 131,021.41 and 49,828.42 is: 74,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,348.42 : 131,021.41 = 49,828.42 : x
  2. Step 2: Convert to fraction form
    87,348.42/131,021.41 = 49,828.42/x
  3. Step 3: Cross multiply
    87,348.42x = 131,021.41 × 49,828.42
  4. Step 4: Simplify right side
    87,348.42x = 6,528,589,846.47
  5. Step 5: Solve for x
    x = 6,528,589,846.47/87,348.42
  6. Step 6: Final answer
    x = 74,741.93

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