Home / 75,721.75-104,496.73-41,731.48

Finding the Fourth Proportional to 75,721.75, 104,496.73 and 41,731.48

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Solution

The fourth proportional to 75,721.75, 104,496.73 and 41,731.48 is: 57,589.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.75 : 104,496.73 = 41,731.48 : x
  2. Step 2: Convert to fraction form
    75,721.75/104,496.73 = 41,731.48/x
  3. Step 3: Cross multiply
    75,721.75x = 104,496.73 × 41,731.48
  4. Step 4: Simplify right side
    75,721.75x = 4,360,802,989.40
  5. Step 5: Solve for x
    x = 4,360,802,989.40/75,721.75
  6. Step 6: Final answer
    x = 57,589.83

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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.