Home / 95,105.17-131,249.09-52,663.70

Finding the Fourth Proportional to 95,105.17, 131,249.09 and 52,663.70

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Solution

The fourth proportional to 95,105.17, 131,249.09 and 52,663.70 is: 72,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,105.17 : 131,249.09 = 52,663.70 : x
  2. Step 2: Convert to fraction form
    95,105.17/131,249.09 = 52,663.70/x
  3. Step 3: Cross multiply
    95,105.17x = 131,249.09 × 52,663.70
  4. Step 4: Simplify right side
    95,105.17x = 6,912,061,781.47
  5. Step 5: Solve for x
    x = 6,912,061,781.47/95,105.17
  6. Step 6: Final answer
    x = 72,678.09

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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.