Home / 80,723.09-111,398.42-44,914.61

Finding the Fourth Proportional to 80,723.09, 111,398.42 and 44,914.61

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Solution

The fourth proportional to 80,723.09, 111,398.42 and 44,914.61 is: 61,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723.09 : 111,398.42 = 44,914.61 : x
  2. Step 2: Convert to fraction form
    80,723.09/111,398.42 = 44,914.61/x
  3. Step 3: Cross multiply
    80,723.09x = 111,398.42 × 44,914.61
  4. Step 4: Simplify right side
    80,723.09x = 5,003,416,588.92
  5. Step 5: Solve for x
    x = 5,003,416,588.92/80,723.09
  6. Step 6: Final answer
    x = 61,982.47

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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.