Home / 45,408.88-68,113.26-14,246.56

Finding the Fourth Proportional to 45,408.88, 68,113.26 and 14,246.56

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Solution

The fourth proportional to 45,408.88, 68,113.26 and 14,246.56 is: 21,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,408.88 : 68,113.26 = 14,246.56 : x
  2. Step 2: Convert to fraction form
    45,408.88/68,113.26 = 14,246.56/x
  3. Step 3: Cross multiply
    45,408.88x = 68,113.26 × 14,246.56
  4. Step 4: Simplify right side
    45,408.88x = 970,379,645.39
  5. Step 5: Solve for x
    x = 970,379,645.39/45,408.88
  6. Step 6: Final answer
    x = 21,369.82

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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.