Home / 80,680.43-111,337.41-44,869.67

Finding the Fourth Proportional to 80,680.43, 111,337.41 and 44,869.67

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Solution

The fourth proportional to 80,680.43, 111,337.41 and 44,869.67 is: 61,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.43 : 111,337.41 = 44,869.67 : x
  2. Step 2: Convert to fraction form
    80,680.43/111,337.41 = 44,869.67/x
  3. Step 3: Cross multiply
    80,680.43x = 111,337.41 × 44,869.67
  4. Step 4: Simplify right side
    80,680.43x = 4,995,673,235.87
  5. Step 5: Solve for x
    x = 4,995,673,235.87/80,680.43
  6. Step 6: Final answer
    x = 61,919.27

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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.