Home / 75,742.74-104,481.63-47,399.22

Finding the Fourth Proportional to 75,742.74, 104,481.63 and 47,399.22

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Solution

The fourth proportional to 75,742.74, 104,481.63 and 47,399.22 is: 65,383.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,742.74 : 104,481.63 = 47,399.22 : x
  2. Step 2: Convert to fraction form
    75,742.74/104,481.63 = 47,399.22/x
  3. Step 3: Cross multiply
    75,742.74x = 104,481.63 × 47,399.22
  4. Step 4: Simplify right side
    75,742.74x = 4,952,347,766.33
  5. Step 5: Solve for x
    x = 4,952,347,766.33/75,742.74
  6. Step 6: Final answer
    x = 65,383.79

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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.