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Finding the Fourth Proportional to 79,138.86, 118,717.68 and 49,559.16

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Solution

The fourth proportional to 79,138.86, 118,717.68 and 49,559.16 is: 74,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,138.86 : 118,717.68 = 49,559.16 : x
  2. Step 2: Convert to fraction form
    79,138.86/118,717.68 = 49,559.16/x
  3. Step 3: Cross multiply
    79,138.86x = 118,717.68 × 49,559.16
  4. Step 4: Simplify right side
    79,138.86x = 5,883,548,497.95
  5. Step 5: Solve for x
    x = 5,883,548,497.95/79,138.86
  6. Step 6: Final answer
    x = 74,344.62

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