Home / 95,450.20-143,175.30-53,459.80

Finding the Fourth Proportional to 95,450.20, 143,175.30 and 53,459.80

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Solution

The fourth proportional to 95,450.20, 143,175.30 and 53,459.80 is: 80,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,450.20 : 143,175.30 = 53,459.80 : x
  2. Step 2: Convert to fraction form
    95,450.20/143,175.30 = 53,459.80/x
  3. Step 3: Cross multiply
    95,450.20x = 143,175.30 × 53,459.80
  4. Step 4: Simplify right side
    95,450.20x = 7,654,122,902.94
  5. Step 5: Solve for x
    x = 7,654,122,902.94/95,450.20
  6. Step 6: Final answer
    x = 80,189.70

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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.