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Finding the Fourth Proportional to 67,280.80, 100,921.20 and 32,202.40

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Solution

The fourth proportional to 67,280.80, 100,921.20 and 32,202.40 is: 48,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.80 : 100,921.20 = 32,202.40 : x
  2. Step 2: Convert to fraction form
    67,280.80/100,921.20 = 32,202.40/x
  3. Step 3: Cross multiply
    67,280.80x = 100,921.20 × 32,202.40
  4. Step 4: Simplify right side
    67,280.80x = 3,249,904,850.88
  5. Step 5: Solve for x
    x = 3,249,904,850.88/67,280.80
  6. Step 6: Final answer
    x = 48,303.60

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