Home / 71,082.75-98,091.97-39,249.15

Finding the Fourth Proportional to 71,082.75, 98,091.97 and 39,249.15

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Solution

The fourth proportional to 71,082.75, 98,091.97 and 39,249.15 is: 54,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,082.75 : 98,091.97 = 39,249.15 : x
  2. Step 2: Convert to fraction form
    71,082.75/98,091.97 = 39,249.15/x
  3. Step 3: Cross multiply
    71,082.75x = 98,091.97 × 39,249.15
  4. Step 4: Simplify right side
    71,082.75x = 3,850,026,444.33
  5. Step 5: Solve for x
    x = 3,850,026,444.33/71,082.75
  6. Step 6: Final answer
    x = 54,162.60

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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.