Home / 54,961.67-82,433.18-15,509.54

Finding the Fourth Proportional to 54,961.67, 82,433.18 and 15,509.54

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Solution

The fourth proportional to 54,961.67, 82,433.18 and 15,509.54 is: 23,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.67 : 82,433.18 = 15,509.54 : x
  2. Step 2: Convert to fraction form
    54,961.67/82,433.18 = 15,509.54/x
  3. Step 3: Cross multiply
    54,961.67x = 82,433.18 × 15,509.54
  4. Step 4: Simplify right side
    54,961.67x = 1,278,500,212.82
  5. Step 5: Solve for x
    x = 1,278,500,212.82/54,961.67
  6. Step 6: Final answer
    x = 23,261.67

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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.