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Finding the Fourth Proportional to 80,383.03, 120,396.38 and 55,022.03

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Solution

The fourth proportional to 80,383.03, 120,396.38 and 55,022.03 is: 82,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,383.03 : 120,396.38 = 55,022.03 : x
  2. Step 2: Convert to fraction form
    80,383.03/120,396.38 = 55,022.03/x
  3. Step 3: Cross multiply
    80,383.03x = 120,396.38 × 55,022.03
  4. Step 4: Simplify right side
    80,383.03x = 6,624,452,767.82
  5. Step 5: Solve for x
    x = 6,624,452,767.82/80,383.03
  6. Step 6: Final answer
    x = 82,411.09

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