Home / 79,223.38-109,328.33-43,413.55

Finding the Fourth Proportional to 79,223.38, 109,328.33 and 43,413.55

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Solution

The fourth proportional to 79,223.38, 109,328.33 and 43,413.55 is: 59,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.38 : 109,328.33 = 43,413.55 : x
  2. Step 2: Convert to fraction form
    79,223.38/109,328.33 = 43,413.55/x
  3. Step 3: Cross multiply
    79,223.38x = 109,328.33 × 43,413.55
  4. Step 4: Simplify right side
    79,223.38x = 4,746,330,920.87
  5. Step 5: Solve for x
    x = 4,746,330,920.87/79,223.38
  6. Step 6: Final answer
    x = 59,910.73

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1.5x scale

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.