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Finding the Fourth Proportional to 71,420.80, 107,138.49 and 24,667.60

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Solution

The fourth proportional to 71,420.80, 107,138.49 and 24,667.60 is: 37,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,420.80 : 107,138.49 = 24,667.60 : x
  2. Step 2: Convert to fraction form
    71,420.80/107,138.49 = 24,667.60/x
  3. Step 3: Cross multiply
    71,420.80x = 107,138.49 × 24,667.60
  4. Step 4: Simplify right side
    71,420.80x = 2,642,849,148.08
  5. Step 5: Solve for x
    x = 2,642,849,148.08/71,420.80
  6. Step 6: Final answer
    x = 37,003.92

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