Home / 90,997.35-136,496.38-27,817.23

Finding the Fourth Proportional to 90,997.35, 136,496.38 and 27,817.23

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Solution

The fourth proportional to 90,997.35, 136,496.38 and 27,817.23 is: 41,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,997.35 : 136,496.38 = 27,817.23 : x
  2. Step 2: Convert to fraction form
    90,997.35/136,496.38 = 27,817.23/x
  3. Step 3: Cross multiply
    90,997.35x = 136,496.38 × 27,817.23
  4. Step 4: Simplify right side
    90,997.35x = 3,796,951,196.63
  5. Step 5: Solve for x
    x = 3,796,951,196.63/90,997.35
  6. Step 6: Final answer
    x = 41,725.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.