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Finding the Fourth Proportional to 67,396.80, 101,095.20 and 54,274.80

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Solution

The fourth proportional to 67,396.80, 101,095.20 and 54,274.80 is: 81,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,396.80 : 101,095.20 = 54,274.80 : x
  2. Step 2: Convert to fraction form
    67,396.80/101,095.20 = 54,274.80/x
  3. Step 3: Cross multiply
    67,396.80x = 101,095.20 × 54,274.80
  4. Step 4: Simplify right side
    67,396.80x = 5,486,921,760.96
  5. Step 5: Solve for x
    x = 5,486,921,760.96/67,396.80
  6. Step 6: Final answer
    x = 81,412.20

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