Home / 82,317.12-113,591.72-48,327

Finding the Fourth Proportional to 82,317.12, 113,591.72 and 48,327

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Solution

The fourth proportional to 82,317.12, 113,591.72 and 48,327 is: 66,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,317.12 : 113,591.72 = 48,327 : x
  2. Step 2: Convert to fraction form
    82,317.12/113,591.72 = 48,327/x
  3. Step 3: Cross multiply
    82,317.12x = 113,591.72 × 48,327
  4. Step 4: Simplify right side
    82,317.12x = 5,489,547,052.44
  5. Step 5: Solve for x
    x = 5,489,547,052.44/82,317.12
  6. Step 6: Final answer
    x = 66,687.79

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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.