Home / 63,413.38-87,519.79-36,550.64

Finding the Fourth Proportional to 63,413.38, 87,519.79 and 36,550.64

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Solution

The fourth proportional to 63,413.38, 87,519.79 and 36,550.64 is: 50,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.38 : 87,519.79 = 36,550.64 : x
  2. Step 2: Convert to fraction form
    63,413.38/87,519.79 = 36,550.64/x
  3. Step 3: Cross multiply
    63,413.38x = 87,519.79 × 36,550.64
  4. Step 4: Simplify right side
    63,413.38x = 3,198,904,601.65
  5. Step 5: Solve for x
    x = 3,198,904,601.65/63,413.38
  6. Step 6: Final answer
    x = 50,445.26

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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.