Home / 80,512.57-111,105.23-44,701.66

Finding the Fourth Proportional to 80,512.57, 111,105.23 and 44,701.66

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Solution

The fourth proportional to 80,512.57, 111,105.23 and 44,701.66 is: 61,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,512.57 : 111,105.23 = 44,701.66 : x
  2. Step 2: Convert to fraction form
    80,512.57/111,105.23 = 44,701.66/x
  3. Step 3: Cross multiply
    80,512.57x = 111,105.23 × 44,701.66
  4. Step 4: Simplify right side
    80,512.57x = 4,966,588,215.68
  5. Step 5: Solve for x
    x = 4,966,588,215.68/80,512.57
  6. Step 6: Final answer
    x = 61,687.12

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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.