Home / 95,849.20-143,644.20-84,703.60

Finding the Fourth Proportional to 95,849.20, 143,644.20 and 84,703.60

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Solution

The fourth proportional to 95,849.20, 143,644.20 and 84,703.60 is: 126,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,849.20 : 143,644.20 = 84,703.60 : x
  2. Step 2: Convert to fraction form
    95,849.20/143,644.20 = 84,703.60/x
  3. Step 3: Cross multiply
    95,849.20x = 143,644.20 × 84,703.60
  4. Step 4: Simplify right side
    95,849.20x = 12,167,180,859.12
  5. Step 5: Solve for x
    x = 12,167,180,859.12/95,849.20
  6. Step 6: Final answer
    x = 126,940.87

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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.