Home / 54,935.90-82,406.25-26,879.58

Finding the Fourth Proportional to 54,935.90, 82,406.25 and 26,879.58

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Solution

The fourth proportional to 54,935.90, 82,406.25 and 26,879.58 is: 40,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,935.90 : 82,406.25 = 26,879.58 : x
  2. Step 2: Convert to fraction form
    54,935.90/82,406.25 = 26,879.58/x
  3. Step 3: Cross multiply
    54,935.90x = 82,406.25 × 26,879.58
  4. Step 4: Simplify right side
    54,935.90x = 2,215,045,389.38
  5. Step 5: Solve for x
    x = 2,215,045,389.38/54,935.90
  6. Step 6: Final answer
    x = 40,320.54

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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.