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Finding the Fourth Proportional to 79,436.50, 109,567.96 and 50,743.42

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Solution

The fourth proportional to 79,436.50, 109,567.96 and 50,743.42 is: 69,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,436.50 : 109,567.96 = 50,743.42 : x
  2. Step 2: Convert to fraction form
    79,436.50/109,567.96 = 50,743.42/x
  3. Step 3: Cross multiply
    79,436.50x = 109,567.96 × 50,743.42
  4. Step 4: Simplify right side
    79,436.50x = 5,559,852,882.79
  5. Step 5: Solve for x
    x = 5,559,852,882.79/79,436.50
  6. Step 6: Final answer
    x = 69,991.16

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