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Finding the Fourth Proportional to 67,275.20, 100,912.80 and 36,094.40

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Solution

The fourth proportional to 67,275.20, 100,912.80 and 36,094.40 is: 54,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,275.20 : 100,912.80 = 36,094.40 : x
  2. Step 2: Convert to fraction form
    67,275.20/100,912.80 = 36,094.40/x
  3. Step 3: Cross multiply
    67,275.20x = 100,912.80 × 36,094.40
  4. Step 4: Simplify right side
    67,275.20x = 3,642,386,968.32
  5. Step 5: Solve for x
    x = 3,642,386,968.32/67,275.20
  6. Step 6: Final answer
    x = 54,141.60

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