Home / 68,392.19-94,385.97-38,183.45

Finding the Fourth Proportional to 68,392.19, 94,385.97 and 38,183.45

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Solution

The fourth proportional to 68,392.19, 94,385.97 and 38,183.45 is: 52,695.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,392.19 : 94,385.97 = 38,183.45 : x
  2. Step 2: Convert to fraction form
    68,392.19/94,385.97 = 38,183.45/x
  3. Step 3: Cross multiply
    68,392.19x = 94,385.97 × 38,183.45
  4. Step 4: Simplify right side
    68,392.19x = 3,603,981,494.27
  5. Step 5: Solve for x
    x = 3,603,981,494.27/68,392.19
  6. Step 6: Final answer
    x = 52,695.81

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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.