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Finding the Fourth Proportional to 73,106.20, 109,659.30 and 49,486.60

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Solution

The fourth proportional to 73,106.20, 109,659.30 and 49,486.60 is: 74,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,106.20 : 109,659.30 = 49,486.60 : x
  2. Step 2: Convert to fraction form
    73,106.20/109,659.30 = 49,486.60/x
  3. Step 3: Cross multiply
    73,106.20x = 109,659.30 × 49,486.60
  4. Step 4: Simplify right side
    73,106.20x = 5,426,665,915.38
  5. Step 5: Solve for x
    x = 5,426,665,915.38/73,106.20
  6. Step 6: Final answer
    x = 74,229.90

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