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Finding the Fourth Proportional to 67,615.20, 101,422.80 and 44,114.40

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Solution

The fourth proportional to 67,615.20, 101,422.80 and 44,114.40 is: 66,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,615.20 : 101,422.80 = 44,114.40 : x
  2. Step 2: Convert to fraction form
    67,615.20/101,422.80 = 44,114.40/x
  3. Step 3: Cross multiply
    67,615.20x = 101,422.80 × 44,114.40
  4. Step 4: Simplify right side
    67,615.20x = 4,474,205,968.32
  5. Step 5: Solve for x
    x = 4,474,205,968.32/67,615.20
  6. Step 6: Final answer
    x = 66,171.60

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