Home / 75,765.92-104,557.70-41,775.64

Finding the Fourth Proportional to 75,765.92, 104,557.70 and 41,775.64

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Solution

The fourth proportional to 75,765.92, 104,557.70 and 41,775.64 is: 57,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.92 : 104,557.70 = 41,775.64 : x
  2. Step 2: Convert to fraction form
    75,765.92/104,557.70 = 41,775.64/x
  3. Step 3: Cross multiply
    75,765.92x = 104,557.70 × 41,775.64
  4. Step 4: Simplify right side
    75,765.92x = 4,367,964,677.47
  5. Step 5: Solve for x
    x = 4,367,964,677.47/75,765.92
  6. Step 6: Final answer
    x = 57,650.79

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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.