Home / 82,477.26-123,715.92-47,394.54

Finding the Fourth Proportional to 82,477.26, 123,715.92 and 47,394.54

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Solution

The fourth proportional to 82,477.26, 123,715.92 and 47,394.54 is: 71,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,477.26 : 123,715.92 = 47,394.54 : x
  2. Step 2: Convert to fraction form
    82,477.26/123,715.92 = 47,394.54/x
  3. Step 3: Cross multiply
    82,477.26x = 123,715.92 × 47,394.54
  4. Step 4: Simplify right side
    82,477.26x = 5,863,459,119.08
  5. Step 5: Solve for x
    x = 5,863,459,119.08/82,477.26
  6. Step 6: Final answer
    x = 71,091.83

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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.