Home / 54,833.18-82,163.57-42,383.68

Finding the Fourth Proportional to 54,833.18, 82,163.57 and 42,383.68

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Solution

The fourth proportional to 54,833.18, 82,163.57 and 42,383.68 is: 63,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,833.18 : 82,163.57 = 42,383.68 : x
  2. Step 2: Convert to fraction form
    54,833.18/82,163.57 = 42,383.68/x
  3. Step 3: Cross multiply
    54,833.18x = 82,163.57 × 42,383.68
  4. Step 4: Simplify right side
    54,833.18x = 3,482,394,041.21
  5. Step 5: Solve for x
    x = 3,482,394,041.21/54,833.18
  6. Step 6: Final answer
    x = 63,508.89

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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.