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Finding the Fourth Proportional to 67,230.80, 100,673.40 and 49,605.20

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Solution

The fourth proportional to 67,230.80, 100,673.40 and 49,605.20 is: 74,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.80 : 100,673.40 = 49,605.20 : x
  2. Step 2: Convert to fraction form
    67,230.80/100,673.40 = 49,605.20/x
  3. Step 3: Cross multiply
    67,230.80x = 100,673.40 × 49,605.20
  4. Step 4: Simplify right side
    67,230.80x = 4,993,924,141.68
  5. Step 5: Solve for x
    x = 4,993,924,141.68/67,230.80
  6. Step 6: Final answer
    x = 74,280.30

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