Home / 41,768.72-62,655.20-12,188.80

Finding the Fourth Proportional to 41,768.72, 62,655.20 and 12,188.80

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Solution

The fourth proportional to 41,768.72, 62,655.20 and 12,188.80 is: 18,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,768.72 : 62,655.20 = 12,188.80 : x
  2. Step 2: Convert to fraction form
    41,768.72/62,655.20 = 12,188.80/x
  3. Step 3: Cross multiply
    41,768.72x = 62,655.20 × 12,188.80
  4. Step 4: Simplify right side
    41,768.72x = 763,691,701.76
  5. Step 5: Solve for x
    x = 763,691,701.76/41,768.72
  6. Step 6: Final answer
    x = 18,283.82

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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.