Home / 90,922.59-136,380.70-27,740.16

Finding the Fourth Proportional to 90,922.59, 136,380.70 and 27,740.16

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Solution

The fourth proportional to 90,922.59, 136,380.70 and 27,740.16 is: 41,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.59 : 136,380.70 = 27,740.16 : x
  2. Step 2: Convert to fraction form
    90,922.59/136,380.70 = 27,740.16/x
  3. Step 3: Cross multiply
    90,922.59x = 136,380.70 × 27,740.16
  4. Step 4: Simplify right side
    90,922.59x = 3,783,222,369.56
  5. Step 5: Solve for x
    x = 3,783,222,369.56/90,922.59
  6. Step 6: Final answer
    x = 41,609.27

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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.