Home / 80,446.24-111,029.13-44,647.75

Finding the Fourth Proportional to 80,446.24, 111,029.13 and 44,647.75

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Solution

The fourth proportional to 80,446.24, 111,029.13 and 44,647.75 is: 61,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,446.24 : 111,029.13 = 44,647.75 : x
  2. Step 2: Convert to fraction form
    80,446.24/111,029.13 = 44,647.75/x
  3. Step 3: Cross multiply
    80,446.24x = 111,029.13 × 44,647.75
  4. Step 4: Simplify right side
    80,446.24x = 4,957,200,838.96
  5. Step 5: Solve for x
    x = 4,957,200,838.96/80,446.24
  6. Step 6: Final answer
    x = 61,621.29

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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.