Home / 82,230.86-123,361.83-26,085.09

Finding the Fourth Proportional to 82,230.86, 123,361.83 and 26,085.09

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Solution

The fourth proportional to 82,230.86, 123,361.83 and 26,085.09 is: 39,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,230.86 : 123,361.83 = 26,085.09 : x
  2. Step 2: Convert to fraction form
    82,230.86/123,361.83 = 26,085.09/x
  3. Step 3: Cross multiply
    82,230.86x = 123,361.83 × 26,085.09
  4. Step 4: Simplify right side
    82,230.86x = 3,217,904,438.11
  5. Step 5: Solve for x
    x = 3,217,904,438.11/82,230.86
  6. Step 6: Final answer
    x = 39,132.57

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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.