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Finding the Fourth Proportional to 79,089.48, 109,141.68 and 43,279.08

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Solution

The fourth proportional to 79,089.48, 109,141.68 and 43,279.08 is: 59,724.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,089.48 : 109,141.68 = 43,279.08 : x
  2. Step 2: Convert to fraction form
    79,089.48/109,141.68 = 43,279.08/x
  3. Step 3: Cross multiply
    79,089.48x = 109,141.68 × 43,279.08
  4. Step 4: Simplify right side
    79,089.48x = 4,723,551,500.05
  5. Step 5: Solve for x
    x = 4,723,551,500.05/79,089.48
  6. Step 6: Final answer
    x = 59,724.14

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