Home / 49,729.70-74,568.90-14,664.80

Finding the Fourth Proportional to 49,729.70, 74,568.90 and 14,664.80

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Solution

The fourth proportional to 49,729.70, 74,568.90 and 14,664.80 is: 21,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,729.70 : 74,568.90 = 14,664.80 : x
  2. Step 2: Convert to fraction form
    49,729.70/74,568.90 = 14,664.80/x
  3. Step 3: Cross multiply
    49,729.70x = 74,568.90 × 14,664.80
  4. Step 4: Simplify right side
    49,729.70x = 1,093,538,004.72
  5. Step 5: Solve for x
    x = 1,093,538,004.72/49,729.70
  6. Step 6: Final answer
    x = 21,989.64

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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.