Home / 79,537.33-109,757.19-43,721.56

Finding the Fourth Proportional to 79,537.33, 109,757.19 and 43,721.56

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Solution

The fourth proportional to 79,537.33, 109,757.19 and 43,721.56 is: 60,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.33 : 109,757.19 = 43,721.56 : x
  2. Step 2: Convert to fraction form
    79,537.33/109,757.19 = 43,721.56/x
  3. Step 3: Cross multiply
    79,537.33x = 109,757.19 × 43,721.56
  4. Step 4: Simplify right side
    79,537.33x = 4,798,755,568.02
  5. Step 5: Solve for x
    x = 4,798,755,568.02/79,537.33
  6. Step 6: Final answer
    x = 60,333.38

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1.5x scale

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.