Home / 79,537.28-109,761.48-43,727

Finding the Fourth Proportional to 79,537.28, 109,761.48 and 43,727

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Solution

The fourth proportional to 79,537.28, 109,761.48 and 43,727 is: 60,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.28 : 109,761.48 = 43,727 : x
  2. Step 2: Convert to fraction form
    79,537.28/109,761.48 = 43,727/x
  3. Step 3: Cross multiply
    79,537.28x = 109,761.48 × 43,727
  4. Step 4: Simplify right side
    79,537.28x = 4,799,540,235.96
  5. Step 5: Solve for x
    x = 4,799,540,235.96/79,537.28
  6. Step 6: Final answer
    x = 60,343.28

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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.