Home / 82,427.11-123,645.91-23,267.39

Finding the Fourth Proportional to 82,427.11, 123,645.91 and 23,267.39

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Solution

The fourth proportional to 82,427.11, 123,645.91 and 23,267.39 is: 34,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.11 : 123,645.91 = 23,267.39 : x
  2. Step 2: Convert to fraction form
    82,427.11/123,645.91 = 23,267.39/x
  3. Step 3: Cross multiply
    82,427.11x = 123,645.91 × 23,267.39
  4. Step 4: Simplify right side
    82,427.11x = 2,876,917,860.82
  5. Step 5: Solve for x
    x = 2,876,917,860.82/82,427.11
  6. Step 6: Final answer
    x = 34,902.57

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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.