Home / 62,772.48-86,600.97-40,105.60

Finding the Fourth Proportional to 62,772.48, 86,600.97 and 40,105.60

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Solution

The fourth proportional to 62,772.48, 86,600.97 and 40,105.60 is: 55,329.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,772.48 : 86,600.97 = 40,105.60 : x
  2. Step 2: Convert to fraction form
    62,772.48/86,600.97 = 40,105.60/x
  3. Step 3: Cross multiply
    62,772.48x = 86,600.97 × 40,105.60
  4. Step 4: Simplify right side
    62,772.48x = 3,473,183,645.93
  5. Step 5: Solve for x
    x = 3,473,183,645.93/62,772.48
  6. Step 6: Final answer
    x = 55,329.72

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1.5x scale

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.