Home / 49,125.90-73,717.42-20,660.80

Finding the Fourth Proportional to 49,125.90, 73,717.42 and 20,660.80

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Solution

The fourth proportional to 49,125.90, 73,717.42 and 20,660.80 is: 31,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,125.90 : 73,717.42 = 20,660.80 : x
  2. Step 2: Convert to fraction form
    49,125.90/73,717.42 = 20,660.80/x
  3. Step 3: Cross multiply
    49,125.90x = 73,717.42 × 20,660.80
  4. Step 4: Simplify right side
    49,125.90x = 1,523,060,871.14
  5. Step 5: Solve for x
    x = 1,523,060,871.14/49,125.90
  6. Step 6: Final answer
    x = 31,003.22

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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.