Home / 95,530.20-143,076.76-45,645.36

Finding the Fourth Proportional to 95,530.20, 143,076.76 and 45,645.36

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Solution

The fourth proportional to 95,530.20, 143,076.76 and 45,645.36 is: 68,363.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,530.20 : 143,076.76 = 45,645.36 : x
  2. Step 2: Convert to fraction form
    95,530.20/143,076.76 = 45,645.36/x
  3. Step 3: Cross multiply
    95,530.20x = 143,076.76 × 45,645.36
  4. Step 4: Simplify right side
    95,530.20x = 6,530,790,217.83
  5. Step 5: Solve for x
    x = 6,530,790,217.83/95,530.20
  6. Step 6: Final answer
    x = 68,363.62

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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.