Home / 95,590.20-143,404.43-53,530.09

Finding the Fourth Proportional to 95,590.20, 143,404.43 and 53,530.09

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Solution

The fourth proportional to 95,590.20, 143,404.43 and 53,530.09 is: 80,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,590.20 : 143,404.43 = 53,530.09 : x
  2. Step 2: Convert to fraction form
    95,590.20/143,404.43 = 53,530.09/x
  3. Step 3: Cross multiply
    95,590.20x = 143,404.43 × 53,530.09
  4. Step 4: Simplify right side
    95,590.20x = 7,676,451,819.61
  5. Step 5: Solve for x
    x = 7,676,451,819.61/95,590.20
  6. Step 6: Final answer
    x = 80,305.85

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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.