Home / 80,687.26-111,355.32-44,879.59

Finding the Fourth Proportional to 80,687.26, 111,355.32 and 44,879.59

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Solution

The fourth proportional to 80,687.26, 111,355.32 and 44,879.59 is: 61,937.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,687.26 : 111,355.32 = 44,879.59 : x
  2. Step 2: Convert to fraction form
    80,687.26/111,355.32 = 44,879.59/x
  3. Step 3: Cross multiply
    80,687.26x = 111,355.32 × 44,879.59
  4. Step 4: Simplify right side
    80,687.26x = 4,997,581,105.92
  5. Step 5: Solve for x
    x = 4,997,581,105.92/80,687.26
  6. Step 6: Final answer
    x = 61,937.67

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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.