Home / 80,616.25-111,249.61-44,809.39

Finding the Fourth Proportional to 80,616.25, 111,249.61 and 44,809.39

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Solution

The fourth proportional to 80,616.25, 111,249.61 and 44,809.39 is: 61,836.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,616.25 : 111,249.61 = 44,809.39 : x
  2. Step 2: Convert to fraction form
    80,616.25/111,249.61 = 44,809.39/x
  3. Step 3: Cross multiply
    80,616.25x = 111,249.61 × 44,809.39
  4. Step 4: Simplify right side
    80,616.25x = 4,985,027,161.84
  5. Step 5: Solve for x
    x = 4,985,027,161.84/80,616.25
  6. Step 6: Final answer
    x = 61,836.51

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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.