Home / 79,195.05-109,288.85-43,387.29

Finding the Fourth Proportional to 79,195.05, 109,288.85 and 43,387.29

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Solution

The fourth proportional to 79,195.05, 109,288.85 and 43,387.29 is: 59,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.05 : 109,288.85 = 43,387.29 : x
  2. Step 2: Convert to fraction form
    79,195.05/109,288.85 = 43,387.29/x
  3. Step 3: Cross multiply
    79,195.05x = 109,288.85 × 43,387.29
  4. Step 4: Simplify right side
    79,195.05x = 4,741,746,811.78
  5. Step 5: Solve for x
    x = 4,741,746,811.78/79,195.05
  6. Step 6: Final answer
    x = 59,874.28

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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.