Home / 123,825.80-185,738.70-44,942.60

Finding the Fourth Proportional to 123,825.80, 185,738.70 and 44,942.60

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Solution

The fourth proportional to 123,825.80, 185,738.70 and 44,942.60 is: 67,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,825.80 : 185,738.70 = 44,942.60 : x
  2. Step 2: Convert to fraction form
    123,825.80/185,738.70 = 44,942.60/x
  3. Step 3: Cross multiply
    123,825.80x = 185,738.70 × 44,942.60
  4. Step 4: Simplify right side
    123,825.80x = 8,347,580,098.62
  5. Step 5: Solve for x
    x = 8,347,580,098.62/123,825.80
  6. Step 6: Final answer
    x = 67,413.90

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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.