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Finding the Fourth Proportional to 53,471.80, 80,207.70 and 48,806.20

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Solution

The fourth proportional to 53,471.80, 80,207.70 and 48,806.20 is: 73,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.80 : 80,207.70 = 48,806.20 : x
  2. Step 2: Convert to fraction form
    53,471.80/80,207.70 = 48,806.20/x
  3. Step 3: Cross multiply
    53,471.80x = 80,207.70 × 48,806.20
  4. Step 4: Simplify right side
    53,471.80x = 3,914,633,047.74
  5. Step 5: Solve for x
    x = 3,914,633,047.74/53,471.80
  6. Step 6: Final answer
    x = 73,209.30

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