Home / 71,896.82-107,845.50-21,976.73

Finding the Fourth Proportional to 71,896.82, 107,845.50 and 21,976.73

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Solution

The fourth proportional to 71,896.82, 107,845.50 and 21,976.73 is: 32,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,896.82 : 107,845.50 = 21,976.73 : x
  2. Step 2: Convert to fraction form
    71,896.82/107,845.50 = 21,976.73/x
  3. Step 3: Cross multiply
    71,896.82x = 107,845.50 × 21,976.73
  4. Step 4: Simplify right side
    71,896.82x = 2,370,090,895.99
  5. Step 5: Solve for x
    x = 2,370,090,895.99/71,896.82
  6. Step 6: Final answer
    x = 32,965.17

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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.