Home / 80,305.03-120,476.69-27,714.97

Finding the Fourth Proportional to 80,305.03, 120,476.69 and 27,714.97

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Solution

The fourth proportional to 80,305.03, 120,476.69 and 27,714.97 is: 41,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,305.03 : 120,476.69 = 27,714.97 : x
  2. Step 2: Convert to fraction form
    80,305.03/120,476.69 = 27,714.97/x
  3. Step 3: Cross multiply
    80,305.03x = 120,476.69 × 27,714.97
  4. Step 4: Simplify right side
    80,305.03x = 3,339,007,849.05
  5. Step 5: Solve for x
    x = 3,339,007,849.05/80,305.03
  6. Step 6: Final answer
    x = 41,579.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.