Home / 104,745.42-157,022.82-38,170.37

Finding the Fourth Proportional to 104,745.42, 157,022.82 and 38,170.37

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Solution

The fourth proportional to 104,745.42, 157,022.82 and 38,170.37 is: 57,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.42 : 157,022.82 = 38,170.37 : x
  2. Step 2: Convert to fraction form
    104,745.42/157,022.82 = 38,170.37/x
  3. Step 3: Cross multiply
    104,745.42x = 157,022.82 × 38,170.37
  4. Step 4: Simplify right side
    104,745.42x = 5,993,619,530.40
  5. Step 5: Solve for x
    x = 5,993,619,530.40/104,745.42
  6. Step 6: Final answer
    x = 57,220.83

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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.