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Finding the Fourth Proportional to 80,471.61, 111,053.70 and 48,634.29

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Solution

The fourth proportional to 80,471.61, 111,053.70 and 48,634.29 is: 67,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,471.61 : 111,053.70 = 48,634.29 : x
  2. Step 2: Convert to fraction form
    80,471.61/111,053.70 = 48,634.29/x
  3. Step 3: Cross multiply
    80,471.61x = 111,053.70 × 48,634.29
  4. Step 4: Simplify right side
    80,471.61x = 5,401,017,851.37
  5. Step 5: Solve for x
    x = 5,401,017,851.37/80,471.61
  6. Step 6: Final answer
    x = 67,117.06

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