Home / 82,363.96-123,682.62-51,396.04

Finding the Fourth Proportional to 82,363.96, 123,682.62 and 51,396.04

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Solution

The fourth proportional to 82,363.96, 123,682.62 and 51,396.04 is: 77,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,363.96 : 123,682.62 = 51,396.04 : x
  2. Step 2: Convert to fraction form
    82,363.96/123,682.62 = 51,396.04/x
  3. Step 3: Cross multiply
    82,363.96x = 123,682.62 × 51,396.04
  4. Step 4: Simplify right side
    82,363.96x = 6,356,796,884.82
  5. Step 5: Solve for x
    x = 6,356,796,884.82/82,363.96
  6. Step 6: Final answer
    x = 77,179.35

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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.