Home / 49,860.14-68,805.78-28,640.76

Finding the Fourth Proportional to 49,860.14, 68,805.78 and 28,640.76

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Solution

The fourth proportional to 49,860.14, 68,805.78 and 28,640.76 is: 39,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.14 : 68,805.78 = 28,640.76 : x
  2. Step 2: Convert to fraction form
    49,860.14/68,805.78 = 28,640.76/x
  3. Step 3: Cross multiply
    49,860.14x = 68,805.78 × 28,640.76
  4. Step 4: Simplify right side
    49,860.14x = 1,970,649,831.59
  5. Step 5: Solve for x
    x = 1,970,649,831.59/49,860.14
  6. Step 6: Final answer
    x = 39,523.55

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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.