Home / 75,215.25-103,797.05-41,687.73

Finding the Fourth Proportional to 75,215.25, 103,797.05 and 41,687.73

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Solution

The fourth proportional to 75,215.25, 103,797.05 and 41,687.73 is: 57,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,215.25 : 103,797.05 = 41,687.73 : x
  2. Step 2: Convert to fraction form
    75,215.25/103,797.05 = 41,687.73/x
  3. Step 3: Cross multiply
    75,215.25x = 103,797.05 × 41,687.73
  4. Step 4: Simplify right side
    75,215.25x = 4,327,063,186.76
  5. Step 5: Solve for x
    x = 4,327,063,186.76/75,215.25
  6. Step 6: Final answer
    x = 57,529.07

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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.