Home / 82,647.82-123,969.44-26,485.66

Finding the Fourth Proportional to 82,647.82, 123,969.44 and 26,485.66

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Solution

The fourth proportional to 82,647.82, 123,969.44 and 26,485.66 is: 39,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,647.82 : 123,969.44 = 26,485.66 : x
  2. Step 2: Convert to fraction form
    82,647.82/123,969.44 = 26,485.66/x
  3. Step 3: Cross multiply
    82,647.82x = 123,969.44 × 26,485.66
  4. Step 4: Simplify right side
    82,647.82x = 3,283,412,438.23
  5. Step 5: Solve for x
    x = 3,283,412,438.23/82,647.82
  6. Step 6: Final answer
    x = 39,727.76

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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.