Home / 79,403.38-109,578.34-43,593.28

Finding the Fourth Proportional to 79,403.38, 109,578.34 and 43,593.28

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Solution

The fourth proportional to 79,403.38, 109,578.34 and 43,593.28 is: 60,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,403.38 : 109,578.34 = 43,593.28 : x
  2. Step 2: Convert to fraction form
    79,403.38/109,578.34 = 43,593.28/x
  3. Step 3: Cross multiply
    79,403.38x = 109,578.34 × 43,593.28
  4. Step 4: Simplify right side
    79,403.38x = 4,776,879,257.56
  5. Step 5: Solve for x
    x = 4,776,879,257.56/79,403.38
  6. Step 6: Final answer
    x = 60,159.65

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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.