Home / 95,639.09-143,292.39-67,115.55

Finding the Fourth Proportional to 95,639.09, 143,292.39 and 67,115.55

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Solution

The fourth proportional to 95,639.09, 143,292.39 and 67,115.55 is: 100,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,639.09 : 143,292.39 = 67,115.55 : x
  2. Step 2: Convert to fraction form
    95,639.09/143,292.39 = 67,115.55/x
  3. Step 3: Cross multiply
    95,639.09x = 143,292.39 × 67,115.55
  4. Step 4: Simplify right side
    95,639.09x = 9,617,147,542.70
  5. Step 5: Solve for x
    x = 9,617,147,542.70/95,639.09
  6. Step 6: Final answer
    x = 100,556.66

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1.5x scale

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.