Home / 80,725.70-111,400.85-44,429.22

Finding the Fourth Proportional to 80,725.70, 111,400.85 and 44,429.22

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Solution

The fourth proportional to 80,725.70, 111,400.85 and 44,429.22 is: 61,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,725.70 : 111,400.85 = 44,429.22 : x
  2. Step 2: Convert to fraction form
    80,725.70/111,400.85 = 44,429.22/x
  3. Step 3: Cross multiply
    80,725.70x = 111,400.85 × 44,429.22
  4. Step 4: Simplify right side
    80,725.70x = 4,949,452,872.84
  5. Step 5: Solve for x
    x = 4,949,452,872.84/80,725.70
  6. Step 6: Final answer
    x = 61,311.98

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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.