Home / 90,786.60-136,180.89-27,616.98

Finding the Fourth Proportional to 90,786.60, 136,180.89 and 27,616.98

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Solution

The fourth proportional to 90,786.60, 136,180.89 and 27,616.98 is: 41,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,786.60 : 136,180.89 = 27,616.98 : x
  2. Step 2: Convert to fraction form
    90,786.60/136,180.89 = 27,616.98/x
  3. Step 3: Cross multiply
    90,786.60x = 136,180.89 × 27,616.98
  4. Step 4: Simplify right side
    90,786.60x = 3,760,904,915.51
  5. Step 5: Solve for x
    x = 3,760,904,915.51/90,786.60
  6. Step 6: Final answer
    x = 41,425.77

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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.