Home / 54,765.18-82,147.91-15,322.64

Finding the Fourth Proportional to 54,765.18, 82,147.91 and 15,322.64

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Solution

The fourth proportional to 54,765.18, 82,147.91 and 15,322.64 is: 22,983.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,765.18 : 82,147.91 = 15,322.64 : x
  2. Step 2: Convert to fraction form
    54,765.18/82,147.91 = 15,322.64/x
  3. Step 3: Cross multiply
    54,765.18x = 82,147.91 × 15,322.64
  4. Step 4: Simplify right side
    54,765.18x = 1,258,722,364.33
  5. Step 5: Solve for x
    x = 1,258,722,364.33/54,765.18
  6. Step 6: Final answer
    x = 22,983.99

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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.