Home / 82,530.65-113,919.39-48,537.65

Finding the Fourth Proportional to 82,530.65, 113,919.39 and 48,537.65

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Solution

The fourth proportional to 82,530.65, 113,919.39 and 48,537.65 is: 66,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.65 : 113,919.39 = 48,537.65 : x
  2. Step 2: Convert to fraction form
    82,530.65/113,919.39 = 48,537.65/x
  3. Step 3: Cross multiply
    82,530.65x = 113,919.39 × 48,537.65
  4. Step 4: Simplify right side
    82,530.65x = 5,529,378,910.44
  5. Step 5: Solve for x
    x = 5,529,378,910.44/82,530.65
  6. Step 6: Final answer
    x = 66,997.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.