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Finding the Fourth Proportional to 71,395.60, 107,093.40 and 54,806.80

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Solution

The fourth proportional to 71,395.60, 107,093.40 and 54,806.80 is: 82,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,395.60 : 107,093.40 = 54,806.80 : x
  2. Step 2: Convert to fraction form
    71,395.60/107,093.40 = 54,806.80/x
  3. Step 3: Cross multiply
    71,395.60x = 107,093.40 × 54,806.80
  4. Step 4: Simplify right side
    71,395.60x = 5,869,446,555.12
  5. Step 5: Solve for x
    x = 5,869,446,555.12/71,395.60
  6. Step 6: Final answer
    x = 82,210.20

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