Home / 79,590.38-109,833.54-43,778.25

Finding the Fourth Proportional to 79,590.38, 109,833.54 and 43,778.25

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Solution

The fourth proportional to 79,590.38, 109,833.54 and 43,778.25 is: 60,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,590.38 : 109,833.54 = 43,778.25 : x
  2. Step 2: Convert to fraction form
    79,590.38/109,833.54 = 43,778.25/x
  3. Step 3: Cross multiply
    79,590.38x = 109,833.54 × 43,778.25
  4. Step 4: Simplify right side
    79,590.38x = 4,808,320,172.51
  5. Step 5: Solve for x
    x = 4,808,320,172.51/79,590.38
  6. Step 6: Final answer
    x = 60,413.34

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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.