Home / 71,456.11-107,090.73-29,286.82

Finding the Fourth Proportional to 71,456.11, 107,090.73 and 29,286.82

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Solution

The fourth proportional to 71,456.11, 107,090.73 and 29,286.82 is: 43,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,456.11 : 107,090.73 = 29,286.82 : x
  2. Step 2: Convert to fraction form
    71,456.11/107,090.73 = 29,286.82/x
  3. Step 3: Cross multiply
    71,456.11x = 107,090.73 × 29,286.82
  4. Step 4: Simplify right side
    71,456.11x = 3,136,346,933.18
  5. Step 5: Solve for x
    x = 3,136,346,933.18/71,456.11
  6. Step 6: Final answer
    x = 43,891.93

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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.