Home / 41,110.50-61,665.76-13,408.50

Finding the Fourth Proportional to 41,110.50, 61,665.76 and 13,408.50

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Solution

The fourth proportional to 41,110.50, 61,665.76 and 13,408.50 is: 20,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,110.50 : 61,665.76 = 13,408.50 : x
  2. Step 2: Convert to fraction form
    41,110.50/61,665.76 = 13,408.50/x
  3. Step 3: Cross multiply
    41,110.50x = 61,665.76 × 13,408.50
  4. Step 4: Simplify right side
    41,110.50x = 826,845,342.96
  5. Step 5: Solve for x
    x = 826,845,342.96/41,110.50
  6. Step 6: Final answer
    x = 20,112.75

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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.