Home / 80,529.86-111,132.70-44,723.21

Finding the Fourth Proportional to 80,529.86, 111,132.70 and 44,723.21

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Solution

The fourth proportional to 80,529.86, 111,132.70 and 44,723.21 is: 61,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,529.86 : 111,132.70 = 44,723.21 : x
  2. Step 2: Convert to fraction form
    80,529.86/111,132.70 = 44,723.21/x
  3. Step 3: Cross multiply
    80,529.86x = 111,132.70 × 44,723.21
  4. Step 4: Simplify right side
    80,529.86x = 4,970,210,524.30
  5. Step 5: Solve for x
    x = 4,970,210,524.30/80,529.86
  6. Step 6: Final answer
    x = 61,718.85

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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.