Home / 62,865.92-86,823.04-39,049.60

Finding the Fourth Proportional to 62,865.92, 86,823.04 and 39,049.60

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Solution

The fourth proportional to 62,865.92, 86,823.04 and 39,049.60 is: 53,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,865.92 : 86,823.04 = 39,049.60 : x
  2. Step 2: Convert to fraction form
    62,865.92/86,823.04 = 39,049.60/x
  3. Step 3: Cross multiply
    62,865.92x = 86,823.04 × 39,049.60
  4. Step 4: Simplify right side
    62,865.92x = 3,390,404,982.78
  5. Step 5: Solve for x
    x = 3,390,404,982.78/62,865.92
  6. Step 6: Final answer
    x = 53,930.73

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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.