Home / 75,712.32-104,481.60-41,723.96

Finding the Fourth Proportional to 75,712.32, 104,481.60 and 41,723.96

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Solution

The fourth proportional to 75,712.32, 104,481.60 and 41,723.96 is: 57,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,712.32 : 104,481.60 = 41,723.96 : x
  2. Step 2: Convert to fraction form
    75,712.32/104,481.60 = 41,723.96/x
  3. Step 3: Cross multiply
    75,712.32x = 104,481.60 × 41,723.96
  4. Step 4: Simplify right side
    75,712.32x = 4,359,386,099.14
  5. Step 5: Solve for x
    x = 4,359,386,099.14/75,712.32
  6. Step 6: Final answer
    x = 57,578.29

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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.