Home / 85,227.21-117,608.49-48,920.25

Finding the Fourth Proportional to 85,227.21, 117,608.49 and 48,920.25

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Solution

The fourth proportional to 85,227.21, 117,608.49 and 48,920.25 is: 67,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,227.21 : 117,608.49 = 48,920.25 : x
  2. Step 2: Convert to fraction form
    85,227.21/117,608.49 = 48,920.25/x
  3. Step 3: Cross multiply
    85,227.21x = 117,608.49 × 48,920.25
  4. Step 4: Simplify right side
    85,227.21x = 5,753,436,732.92
  5. Step 5: Solve for x
    x = 5,753,436,732.92/85,227.21
  6. Step 6: Final answer
    x = 67,507.04

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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.