Home / 84,167.10-126,249.40-39,163.26

Finding the Fourth Proportional to 84,167.10, 126,249.40 and 39,163.26

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Solution

The fourth proportional to 84,167.10, 126,249.40 and 39,163.26 is: 58,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,167.10 : 126,249.40 = 39,163.26 : x
  2. Step 2: Convert to fraction form
    84,167.10/126,249.40 = 39,163.26/x
  3. Step 3: Cross multiply
    84,167.10x = 126,249.40 × 39,163.26
  4. Step 4: Simplify right side
    84,167.10x = 4,944,337,313.91
  5. Step 5: Solve for x
    x = 4,944,337,313.91/84,167.10
  6. Step 6: Final answer
    x = 58,744.30

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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.