Home / 90,845.82-136,252.50-27,650.61

Finding the Fourth Proportional to 90,845.82, 136,252.50 and 27,650.61

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Solution

The fourth proportional to 90,845.82, 136,252.50 and 27,650.61 is: 41,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845.82 : 136,252.50 = 27,650.61 : x
  2. Step 2: Convert to fraction form
    90,845.82/136,252.50 = 27,650.61/x
  3. Step 3: Cross multiply
    90,845.82x = 136,252.50 × 27,650.61
  4. Step 4: Simplify right side
    90,845.82x = 3,767,464,739.03
  5. Step 5: Solve for x
    x = 3,767,464,739.03/90,845.82
  6. Step 6: Final answer
    x = 41,470.98

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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.