Home / 45,351.44-68,027.32-13,761.77

Finding the Fourth Proportional to 45,351.44, 68,027.32 and 13,761.77

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Solution

The fourth proportional to 45,351.44, 68,027.32 and 13,761.77 is: 20,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.44 : 68,027.32 = 13,761.77 : x
  2. Step 2: Convert to fraction form
    45,351.44/68,027.32 = 13,761.77/x
  3. Step 3: Cross multiply
    45,351.44x = 68,027.32 × 13,761.77
  4. Step 4: Simplify right side
    45,351.44x = 936,176,467.22
  5. Step 5: Solve for x
    x = 936,176,467.22/45,351.44
  6. Step 6: Final answer
    x = 20,642.71

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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.