Home / 84,028.56-115,954.20-48,221.52

Finding the Fourth Proportional to 84,028.56, 115,954.20 and 48,221.52

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Solution

The fourth proportional to 84,028.56, 115,954.20 and 48,221.52 is: 66,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,028.56 : 115,954.20 = 48,221.52 : x
  2. Step 2: Convert to fraction form
    84,028.56/115,954.20 = 48,221.52/x
  3. Step 3: Cross multiply
    84,028.56x = 115,954.20 × 48,221.52
  4. Step 4: Simplify right side
    84,028.56x = 5,591,487,774.38
  5. Step 5: Solve for x
    x = 5,591,487,774.38/84,028.56
  6. Step 6: Final answer
    x = 66,542.71

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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.