Home / 68,323.78-94,286.97-38,108.35

Finding the Fourth Proportional to 68,323.78, 94,286.97 and 38,108.35

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Solution

The fourth proportional to 68,323.78, 94,286.97 and 38,108.35 is: 52,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,323.78 : 94,286.97 = 38,108.35 : x
  2. Step 2: Convert to fraction form
    68,323.78/94,286.97 = 38,108.35/x
  3. Step 3: Cross multiply
    68,323.78x = 94,286.97 × 38,108.35
  4. Step 4: Simplify right side
    68,323.78x = 3,593,120,853.20
  5. Step 5: Solve for x
    x = 3,593,120,853.20/68,323.78
  6. Step 6: Final answer
    x = 52,589.61

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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.