Home / 49,571.11-74,357.15-12,635.11

Finding the Fourth Proportional to 49,571.11, 74,357.15 and 12,635.11

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Solution

The fourth proportional to 49,571.11, 74,357.15 and 12,635.11 is: 18,952.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,571.11 : 74,357.15 = 12,635.11 : x
  2. Step 2: Convert to fraction form
    49,571.11/74,357.15 = 12,635.11/x
  3. Step 3: Cross multiply
    49,571.11x = 74,357.15 × 12,635.11
  4. Step 4: Simplify right side
    49,571.11x = 939,510,769.54
  5. Step 5: Solve for x
    x = 939,510,769.54/49,571.11
  6. Step 6: Final answer
    x = 18,952.79

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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.