Home / 68,229.90-94,164.19-38,020.14

Finding the Fourth Proportional to 68,229.90, 94,164.19 and 38,020.14

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Solution

The fourth proportional to 68,229.90, 94,164.19 and 38,020.14 is: 52,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,229.90 : 94,164.19 = 38,020.14 : x
  2. Step 2: Convert to fraction form
    68,229.90/94,164.19 = 38,020.14/x
  3. Step 3: Cross multiply
    68,229.90x = 94,164.19 × 38,020.14
  4. Step 4: Simplify right side
    68,229.90x = 3,580,135,591.74
  5. Step 5: Solve for x
    x = 3,580,135,591.74/68,229.90
  6. Step 6: Final answer
    x = 52,471.65

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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.