Home / 41,709.81-62,570.82-12,123.80

Finding the Fourth Proportional to 41,709.81, 62,570.82 and 12,123.80

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Solution

The fourth proportional to 41,709.81, 62,570.82 and 12,123.80 is: 18,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,709.81 : 62,570.82 = 12,123.80 : x
  2. Step 2: Convert to fraction form
    41,709.81/62,570.82 = 12,123.80/x
  3. Step 3: Cross multiply
    41,709.81x = 62,570.82 × 12,123.80
  4. Step 4: Simplify right side
    41,709.81x = 758,596,426.73
  5. Step 5: Solve for x
    x = 758,596,426.73/41,709.81
  6. Step 6: Final answer
    x = 18,187.48

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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.