Home / 83,462.26-115,217.83-47,645.35

Finding the Fourth Proportional to 83,462.26, 115,217.83 and 47,645.35

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Solution

The fourth proportional to 83,462.26, 115,217.83 and 47,645.35 is: 65,773.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,462.26 : 115,217.83 = 47,645.35 : x
  2. Step 2: Convert to fraction form
    83,462.26/115,217.83 = 47,645.35/x
  3. Step 3: Cross multiply
    83,462.26x = 115,217.83 × 47,645.35
  4. Step 4: Simplify right side
    83,462.26x = 5,489,593,429.43
  5. Step 5: Solve for x
    x = 5,489,593,429.43/83,462.26
  6. Step 6: Final answer
    x = 65,773.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.