Home / 45,201.92-67,726.33-27,378.72

Finding the Fourth Proportional to 45,201.92, 67,726.33 and 27,378.72

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Solution

The fourth proportional to 45,201.92, 67,726.33 and 27,378.72 is: 41,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.92 : 67,726.33 = 27,378.72 : x
  2. Step 2: Convert to fraction form
    45,201.92/67,726.33 = 27,378.72/x
  3. Step 3: Cross multiply
    45,201.92x = 67,726.33 × 27,378.72
  4. Step 4: Simplify right side
    45,201.92x = 1,854,259,818.62
  5. Step 5: Solve for x
    x = 1,854,259,818.62/45,201.92
  6. Step 6: Final answer
    x = 41,021.71

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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.