Home / 75,712.68-104,489.40-41,727.26

Finding the Fourth Proportional to 75,712.68, 104,489.40 and 41,727.26

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Solution

The fourth proportional to 75,712.68, 104,489.40 and 41,727.26 is: 57,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,712.68 : 104,489.40 = 41,727.26 : x
  2. Step 2: Convert to fraction form
    75,712.68/104,489.40 = 41,727.26/x
  3. Step 3: Cross multiply
    75,712.68x = 104,489.40 × 41,727.26
  4. Step 4: Simplify right side
    75,712.68x = 4,360,056,622.27
  5. Step 5: Solve for x
    x = 4,360,056,622.27/75,712.68
  6. Step 6: Final answer
    x = 57,586.87

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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.