Home / 84,413.40-126,620.10-22,083.90

Finding the Fourth Proportional to 84,413.40, 126,620.10 and 22,083.90

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Solution

The fourth proportional to 84,413.40, 126,620.10 and 22,083.90 is: 33,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,413.40 : 126,620.10 = 22,083.90 : x
  2. Step 2: Convert to fraction form
    84,413.40/126,620.10 = 22,083.90/x
  3. Step 3: Cross multiply
    84,413.40x = 126,620.10 × 22,083.90
  4. Step 4: Simplify right side
    84,413.40x = 2,796,265,626.39
  5. Step 5: Solve for x
    x = 2,796,265,626.39/84,413.40
  6. Step 6: Final answer
    x = 33,125.85

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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.