Home / 62,829.83-86,725.37-40,229.69

Finding the Fourth Proportional to 62,829.83, 86,725.37 and 40,229.69

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Solution

The fourth proportional to 62,829.83, 86,725.37 and 40,229.69 is: 55,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,829.83 : 86,725.37 = 40,229.69 : x
  2. Step 2: Convert to fraction form
    62,829.83/86,725.37 = 40,229.69/x
  3. Step 3: Cross multiply
    62,829.83x = 86,725.37 × 40,229.69
  4. Step 4: Simplify right side
    62,829.83x = 3,488,934,115.46
  5. Step 5: Solve for x
    x = 3,488,934,115.46/62,829.83
  6. Step 6: Final answer
    x = 55,529.90

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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.