Home / 54,865.13-82,288.35-15,413.01

Finding the Fourth Proportional to 54,865.13, 82,288.35 and 15,413.01

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Solution

The fourth proportional to 54,865.13, 82,288.35 and 15,413.01 is: 23,116.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,865.13 : 82,288.35 = 15,413.01 : x
  2. Step 2: Convert to fraction form
    54,865.13/82,288.35 = 15,413.01/x
  3. Step 3: Cross multiply
    54,865.13x = 82,288.35 × 15,413.01
  4. Step 4: Simplify right side
    54,865.13x = 1,268,311,161.43
  5. Step 5: Solve for x
    x = 1,268,311,161.43/54,865.13
  6. Step 6: Final answer
    x = 23,116.89

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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.