Home / 75,765.38-104,551.47-41,774.22

Finding the Fourth Proportional to 75,765.38, 104,551.47 and 41,774.22

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Solution

The fourth proportional to 75,765.38, 104,551.47 and 41,774.22 is: 57,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.38 : 104,551.47 = 41,774.22 : x
  2. Step 2: Convert to fraction form
    75,765.38/104,551.47 = 41,774.22/x
  3. Step 3: Cross multiply
    75,765.38x = 104,551.47 × 41,774.22
  4. Step 4: Simplify right side
    75,765.38x = 4,367,556,109.10
  5. Step 5: Solve for x
    x = 4,367,556,109.10/75,765.38
  6. Step 6: Final answer
    x = 57,645.81

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1.5x scale

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.