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Finding the Fourth Proportional to 79,112.84, 109,173.84 and 43,302.80

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Solution

The fourth proportional to 79,112.84, 109,173.84 and 43,302.80 is: 59,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,112.84 : 109,173.84 = 43,302.80 : x
  2. Step 2: Convert to fraction form
    79,112.84/109,173.84 = 43,302.80/x
  3. Step 3: Cross multiply
    79,112.84x = 109,173.84 × 43,302.80
  4. Step 4: Simplify right side
    79,112.84x = 4,727,532,958.75
  5. Step 5: Solve for x
    x = 4,727,532,958.75/79,112.84
  6. Step 6: Final answer
    x = 59,756.84

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