Home / 106,121.18-159,161.44-41,205.57

Finding the Fourth Proportional to 106,121.18, 159,161.44 and 41,205.57

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Solution

The fourth proportional to 106,121.18, 159,161.44 and 41,205.57 is: 61,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,121.18 : 159,161.44 = 41,205.57 : x
  2. Step 2: Convert to fraction form
    106,121.18/159,161.44 = 41,205.57/x
  3. Step 3: Cross multiply
    106,121.18x = 159,161.44 × 41,205.57
  4. Step 4: Simplify right side
    106,121.18x = 6,558,337,754.21
  5. Step 5: Solve for x
    x = 6,558,337,754.21/106,121.18
  6. Step 6: Final answer
    x = 61,800.46

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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.