Home / 123,413.33-170,310.53-66,824.57

Finding the Fourth Proportional to 123,413.33, 170,310.53 and 66,824.57

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Solution

The fourth proportional to 123,413.33, 170,310.53 and 66,824.57 is: 92,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,413.33 : 170,310.53 = 66,824.57 : x
  2. Step 2: Convert to fraction form
    123,413.33/170,310.53 = 66,824.57/x
  3. Step 3: Cross multiply
    123,413.33x = 170,310.53 × 66,824.57
  4. Step 4: Simplify right side
    123,413.33x = 11,380,928,526.56
  5. Step 5: Solve for x
    x = 11,380,928,526.56/123,413.33
  6. Step 6: Final answer
    x = 92,217.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.