Home / 49,353.40-74,119.20-43,229.80

Finding the Fourth Proportional to 49,353.40, 74,119.20 and 43,229.80

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Solution

The fourth proportional to 49,353.40, 74,119.20 and 43,229.80 is: 64,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,353.40 : 74,119.20 = 43,229.80 : x
  2. Step 2: Convert to fraction form
    49,353.40/74,119.20 = 43,229.80/x
  3. Step 3: Cross multiply
    49,353.40x = 74,119.20 × 43,229.80
  4. Step 4: Simplify right side
    49,353.40x = 3,204,158,192.16
  5. Step 5: Solve for x
    x = 3,204,158,192.16/49,353.40
  6. Step 6: Final answer
    x = 64,922.74

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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.