Home / 101,879.04-152,759.29-68,183.52

Finding the Fourth Proportional to 101,879.04, 152,759.29 and 68,183.52

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Solution

The fourth proportional to 101,879.04, 152,759.29 and 68,183.52 is: 102,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,879.04 : 152,759.29 = 68,183.52 : x
  2. Step 2: Convert to fraction form
    101,879.04/152,759.29 = 68,183.52/x
  3. Step 3: Cross multiply
    101,879.04x = 152,759.29 × 68,183.52
  4. Step 4: Simplify right side
    101,879.04x = 10,415,666,540.48
  5. Step 5: Solve for x
    x = 10,415,666,540.48/101,879.04
  6. Step 6: Final answer
    x = 102,235.62

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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.