Home / 82,371.06-113,652.72-48,377.52

Finding the Fourth Proportional to 82,371.06, 113,652.72 and 48,377.52

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Solution

The fourth proportional to 82,371.06, 113,652.72 and 48,377.52 is: 66,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,371.06 : 113,652.72 = 48,377.52 : x
  2. Step 2: Convert to fraction form
    82,371.06/113,652.72 = 48,377.52/x
  3. Step 3: Cross multiply
    82,371.06x = 113,652.72 × 48,377.52
  4. Step 4: Simplify right side
    82,371.06x = 5,498,236,734.85
  5. Step 5: Solve for x
    x = 5,498,236,734.85/82,371.06
  6. Step 6: Final answer
    x = 66,749.62

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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.