Home / 79,537.40-109,761.69-43,728.02

Finding the Fourth Proportional to 79,537.40, 109,761.69 and 43,728.02

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Solution

The fourth proportional to 79,537.40, 109,761.69 and 43,728.02 is: 60,344.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.40 : 109,761.69 = 43,728.02 : x
  2. Step 2: Convert to fraction form
    79,537.40/109,761.69 = 43,728.02/x
  3. Step 3: Cross multiply
    79,537.40x = 109,761.69 × 43,728.02
  4. Step 4: Simplify right side
    79,537.40x = 4,799,661,375.55
  5. Step 5: Solve for x
    x = 4,799,661,375.55/79,537.40
  6. Step 6: Final answer
    x = 60,344.71

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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.