Home / 49,764.78-74,811.20-46,112.49

Finding the Fourth Proportional to 49,764.78, 74,811.20 and 46,112.49

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Solution

The fourth proportional to 49,764.78, 74,811.20 and 46,112.49 is: 69,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.78 : 74,811.20 = 46,112.49 : x
  2. Step 2: Convert to fraction form
    49,764.78/74,811.20 = 46,112.49/x
  3. Step 3: Cross multiply
    49,764.78x = 74,811.20 × 46,112.49
  4. Step 4: Simplify right side
    49,764.78x = 3,449,730,481.33
  5. Step 5: Solve for x
    x = 3,449,730,481.33/49,764.78
  6. Step 6: Final answer
    x = 69,320.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.