Home / 54,853.09-82,282.45-15,413.28

Finding the Fourth Proportional to 54,853.09, 82,282.45 and 15,413.28

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Solution

The fourth proportional to 54,853.09, 82,282.45 and 15,413.28 is: 23,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.09 : 82,282.45 = 15,413.28 : x
  2. Step 2: Convert to fraction form
    54,853.09/82,282.45 = 15,413.28/x
  3. Step 3: Cross multiply
    54,853.09x = 82,282.45 × 15,413.28
  4. Step 4: Simplify right side
    54,853.09x = 1,268,242,273.76
  5. Step 5: Solve for x
    x = 1,268,242,273.76/54,853.09
  6. Step 6: Final answer
    x = 23,120.71

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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.