Home / 90,832.29-136,255.37-27,657.80

Finding the Fourth Proportional to 90,832.29, 136,255.37 and 27,657.80

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Solution

The fourth proportional to 90,832.29, 136,255.37 and 27,657.80 is: 41,488.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.29 : 136,255.37 = 27,657.80 : x
  2. Step 2: Convert to fraction form
    90,832.29/136,255.37 = 27,657.80/x
  3. Step 3: Cross multiply
    90,832.29x = 136,255.37 × 27,657.80
  4. Step 4: Simplify right side
    90,832.29x = 3,768,524,230.21
  5. Step 5: Solve for x
    x = 3,768,524,230.21/90,832.29
  6. Step 6: Final answer
    x = 41,488.82

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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.