Home / 71,781.12-99,063.66-41,566.97

Finding the Fourth Proportional to 71,781.12, 99,063.66 and 41,566.97

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Solution

The fourth proportional to 71,781.12, 99,063.66 and 41,566.97 is: 57,365.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,781.12 : 99,063.66 = 41,566.97 : x
  2. Step 2: Convert to fraction form
    71,781.12/99,063.66 = 41,566.97/x
  3. Step 3: Cross multiply
    71,781.12x = 99,063.66 × 41,566.97
  4. Step 4: Simplify right side
    71,781.12x = 4,117,776,586.85
  5. Step 5: Solve for x
    x = 4,117,776,586.85/71,781.12
  6. Step 6: Final answer
    x = 57,365.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.