Home / 41,705.91-62,562.31-12,123.70

Finding the Fourth Proportional to 41,705.91, 62,562.31 and 12,123.70

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Solution

The fourth proportional to 41,705.91, 62,562.31 and 12,123.70 is: 18,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,705.91 : 62,562.31 = 12,123.70 : x
  2. Step 2: Convert to fraction form
    41,705.91/62,562.31 = 12,123.70/x
  3. Step 3: Cross multiply
    41,705.91x = 62,562.31 × 12,123.70
  4. Step 4: Simplify right side
    41,705.91x = 758,486,491.03
  5. Step 5: Solve for x
    x = 758,486,491.03/41,705.91
  6. Step 6: Final answer
    x = 18,186.55

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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.