Home / 82,531.14-113,920.08-48,538.14

Finding the Fourth Proportional to 82,531.14, 113,920.08 and 48,538.14

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Solution

The fourth proportional to 82,531.14, 113,920.08 and 48,538.14 is: 66,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.14 : 113,920.08 = 48,538.14 : x
  2. Step 2: Convert to fraction form
    82,531.14/113,920.08 = 48,538.14/x
  3. Step 3: Cross multiply
    82,531.14x = 113,920.08 × 48,538.14
  4. Step 4: Simplify right side
    82,531.14x = 5,529,468,791.85
  5. Step 5: Solve for x
    x = 5,529,468,791.85/82,531.14
  6. Step 6: Final answer
    x = 66,998.58

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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.