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Finding the Fourth Proportional to 75,729.29, 104,506.42 and 43,916.64

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Solution

The fourth proportional to 75,729.29, 104,506.42 and 43,916.64 is: 60,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.29 : 104,506.42 = 43,916.64 : x
  2. Step 2: Convert to fraction form
    75,729.29/104,506.42 = 43,916.64/x
  3. Step 3: Cross multiply
    75,729.29x = 104,506.42 × 43,916.64
  4. Step 4: Simplify right side
    75,729.29x = 4,589,570,405.48
  5. Step 5: Solve for x
    x = 4,589,570,405.48/75,729.29
  6. Step 6: Final answer
    x = 60,604.96

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