Home / 79,223.22-109,328.13-43,413.32

Finding the Fourth Proportional to 79,223.22, 109,328.13 and 43,413.32

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Solution

The fourth proportional to 79,223.22, 109,328.13 and 43,413.32 is: 59,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,223.22 : 109,328.13 = 43,413.32 : x
  2. Step 2: Convert to fraction form
    79,223.22/109,328.13 = 43,413.32/x
  3. Step 3: Cross multiply
    79,223.22x = 109,328.13 × 43,413.32
  4. Step 4: Simplify right side
    79,223.22x = 4,746,296,751.04
  5. Step 5: Solve for x
    x = 4,746,296,751.04/79,223.22
  6. Step 6: Final answer
    x = 59,910.42

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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.