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Finding the Fourth Proportional to 79,380.82, 109,546.94 and 43,574.16

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Solution

The fourth proportional to 79,380.82, 109,546.94 and 43,574.16 is: 60,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,380.82 : 109,546.94 = 43,574.16 : x
  2. Step 2: Convert to fraction form
    79,380.82/109,546.94 = 43,574.16/x
  3. Step 3: Cross multiply
    79,380.82x = 109,546.94 × 43,574.16
  4. Step 4: Simplify right side
    79,380.82x = 4,773,415,125.46
  5. Step 5: Solve for x
    x = 4,773,415,125.46/79,380.82
  6. Step 6: Final answer
    x = 60,133.11

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