Home / 45,351.14-68,026.85-13,761.47

Finding the Fourth Proportional to 45,351.14, 68,026.85 and 13,761.47

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Solution

The fourth proportional to 45,351.14, 68,026.85 and 13,761.47 is: 20,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,351.14 : 68,026.85 = 13,761.47 : x
  2. Step 2: Convert to fraction form
    45,351.14/68,026.85 = 13,761.47/x
  3. Step 3: Cross multiply
    45,351.14x = 68,026.85 × 13,761.47
  4. Step 4: Simplify right side
    45,351.14x = 936,149,149.74
  5. Step 5: Solve for x
    x = 936,149,149.74/45,351.14
  6. Step 6: Final answer
    x = 20,642.24

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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.