Home / 95,640.36-143,520.48-36,481.20

Finding the Fourth Proportional to 95,640.36, 143,520.48 and 36,481.20

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Solution

The fourth proportional to 95,640.36, 143,520.48 and 36,481.20 is: 54,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,640.36 : 143,520.48 = 36,481.20 : x
  2. Step 2: Convert to fraction form
    95,640.36/143,520.48 = 36,481.20/x
  3. Step 3: Cross multiply
    95,640.36x = 143,520.48 × 36,481.20
  4. Step 4: Simplify right side
    95,640.36x = 5,235,799,334.98
  5. Step 5: Solve for x
    x = 5,235,799,334.98/95,640.36
  6. Step 6: Final answer
    x = 54,744.66

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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.