Home / 106,721.83-160,129.19-50,601.25

Finding the Fourth Proportional to 106,721.83, 160,129.19 and 50,601.25

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Solution

The fourth proportional to 106,721.83, 160,129.19 and 50,601.25 is: 75,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,721.83 : 160,129.19 = 50,601.25 : x
  2. Step 2: Convert to fraction form
    106,721.83/160,129.19 = 50,601.25/x
  3. Step 3: Cross multiply
    106,721.83x = 160,129.19 × 50,601.25
  4. Step 4: Simplify right side
    106,721.83x = 8,102,737,175.49
  5. Step 5: Solve for x
    x = 8,102,737,175.49/106,721.83
  6. Step 6: Final answer
    x = 75,923.90

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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.