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Finding the Fourth Proportional to 79,465.88, 109,665.96 and 43,659.20

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Solution

The fourth proportional to 79,465.88, 109,665.96 and 43,659.20 is: 60,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,465.88 : 109,665.96 = 43,659.20 : x
  2. Step 2: Convert to fraction form
    79,465.88/109,665.96 = 43,659.20/x
  3. Step 3: Cross multiply
    79,465.88x = 109,665.96 × 43,659.20
  4. Step 4: Simplify right side
    79,465.88x = 4,787,928,080.83
  5. Step 5: Solve for x
    x = 4,787,928,080.83/79,465.88
  6. Step 6: Final answer
    x = 60,251.37

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