Home / 79,571.13-109,805.61-43,761.03

Finding the Fourth Proportional to 79,571.13, 109,805.61 and 43,761.03

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Solution

The fourth proportional to 79,571.13, 109,805.61 and 43,761.03 is: 60,388.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571.13 : 109,805.61 = 43,761.03 : x
  2. Step 2: Convert to fraction form
    79,571.13/109,805.61 = 43,761.03/x
  3. Step 3: Cross multiply
    79,571.13x = 109,805.61 × 43,761.03
  4. Step 4: Simplify right side
    79,571.13x = 4,805,206,593.38
  5. Step 5: Solve for x
    x = 4,805,206,593.38/79,571.13
  6. Step 6: Final answer
    x = 60,388.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.