Home / 82,464.96-123,538.26-49,211.64

Finding the Fourth Proportional to 82,464.96, 123,538.26 and 49,211.64

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Solution

The fourth proportional to 82,464.96, 123,538.26 and 49,211.64 is: 73,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,464.96 : 123,538.26 = 49,211.64 : x
  2. Step 2: Convert to fraction form
    82,464.96/123,538.26 = 49,211.64/x
  3. Step 3: Cross multiply
    82,464.96x = 123,538.26 × 49,211.64
  4. Step 4: Simplify right side
    82,464.96x = 6,079,520,377.35
  5. Step 5: Solve for x
    x = 6,079,520,377.35/82,464.96
  6. Step 6: Final answer
    x = 73,722.47

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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.