Home / 68,132.38-94,022.69-38,324.38

Finding the Fourth Proportional to 68,132.38, 94,022.69 and 38,324.38

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Solution

The fourth proportional to 68,132.38, 94,022.69 and 38,324.38 is: 52,887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,132.38 : 94,022.69 = 38,324.38 : x
  2. Step 2: Convert to fraction form
    68,132.38/94,022.69 = 38,324.38/x
  3. Step 3: Cross multiply
    68,132.38x = 94,022.69 × 38,324.38
  4. Step 4: Simplify right side
    68,132.38x = 3,603,361,300.18
  5. Step 5: Solve for x
    x = 3,603,361,300.18/68,132.38
  6. Step 6: Final answer
    x = 52,887.65

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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.