Home / 54,759.92-82,153.78-15,317.24

Finding the Fourth Proportional to 54,759.92, 82,153.78 and 15,317.24

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Solution

The fourth proportional to 54,759.92, 82,153.78 and 15,317.24 is: 22,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.92 : 82,153.78 = 15,317.24 : x
  2. Step 2: Convert to fraction form
    54,759.92/82,153.78 = 15,317.24/x
  3. Step 3: Cross multiply
    54,759.92x = 82,153.78 × 15,317.24
  4. Step 4: Simplify right side
    54,759.92x = 1,258,368,716.11
  5. Step 5: Solve for x
    x = 1,258,368,716.11/54,759.92
  6. Step 6: Final answer
    x = 22,979.74

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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.