Home / 90,034.83-135,028.49-26,837.91

Finding the Fourth Proportional to 90,034.83, 135,028.49 and 26,837.91

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Solution

The fourth proportional to 90,034.83, 135,028.49 and 26,837.91 is: 40,249.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,034.83 : 135,028.49 = 26,837.91 : x
  2. Step 2: Convert to fraction form
    90,034.83/135,028.49 = 26,837.91/x
  3. Step 3: Cross multiply
    90,034.83x = 135,028.49 × 26,837.91
  4. Step 4: Simplify right side
    90,034.83x = 3,623,882,327.87
  5. Step 5: Solve for x
    x = 3,623,882,327.87/90,034.83
  6. Step 6: Final answer
    x = 40,249.78

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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.