Home / 41,122.09-61,686.99-11,539.79

Finding the Fourth Proportional to 41,122.09, 61,686.99 and 11,539.79

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Solution

The fourth proportional to 41,122.09, 61,686.99 and 11,539.79 is: 17,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,122.09 : 61,686.99 = 11,539.79 : x
  2. Step 2: Convert to fraction form
    41,122.09/61,686.99 = 11,539.79/x
  3. Step 3: Cross multiply
    41,122.09x = 61,686.99 × 11,539.79
  4. Step 4: Simplify right side
    41,122.09x = 711,854,910.33
  5. Step 5: Solve for x
    x = 711,854,910.33/41,122.09
  6. Step 6: Final answer
    x = 17,310.77

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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.