Home / 67,961.38-93,786.70-38,153.38

Finding the Fourth Proportional to 67,961.38, 93,786.70 and 38,153.38

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Solution

The fourth proportional to 67,961.38, 93,786.70 and 38,153.38 is: 52,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,961.38 : 93,786.70 = 38,153.38 : x
  2. Step 2: Convert to fraction form
    67,961.38/93,786.70 = 38,153.38/x
  3. Step 3: Cross multiply
    67,961.38x = 93,786.70 × 38,153.38
  4. Step 4: Simplify right side
    67,961.38x = 3,578,279,604.05
  5. Step 5: Solve for x
    x = 3,578,279,604.05/67,961.38
  6. Step 6: Final answer
    x = 52,651.66

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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.