Home / 90,097.70-135,213.87-33,993.14

Finding the Fourth Proportional to 90,097.70, 135,213.87 and 33,993.14

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Solution

The fourth proportional to 90,097.70, 135,213.87 and 33,993.14 is: 51,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,097.70 : 135,213.87 = 33,993.14 : x
  2. Step 2: Convert to fraction form
    90,097.70/135,213.87 = 33,993.14/x
  3. Step 3: Cross multiply
    90,097.70x = 135,213.87 × 33,993.14
  4. Step 4: Simplify right side
    90,097.70x = 4,596,344,012.85
  5. Step 5: Solve for x
    x = 4,596,344,012.85/90,097.70
  6. Step 6: Final answer
    x = 51,015.11

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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.