Home / 79,508.32-109,716.16-43,697.56

Finding the Fourth Proportional to 79,508.32, 109,716.16 and 43,697.56

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Solution

The fourth proportional to 79,508.32, 109,716.16 and 43,697.56 is: 60,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,508.32 : 109,716.16 = 43,697.56 : x
  2. Step 2: Convert to fraction form
    79,508.32/109,716.16 = 43,697.56/x
  3. Step 3: Cross multiply
    79,508.32x = 109,716.16 × 43,697.56
  4. Step 4: Simplify right side
    79,508.32x = 4,794,328,484.57
  5. Step 5: Solve for x
    x = 4,794,328,484.57/79,508.32
  6. Step 6: Final answer
    x = 60,299.71

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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.