Home / 57,643.20-86,450.40-22,096.80

Finding the Fourth Proportional to 57,643.20, 86,450.40 and 22,096.80

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Solution

The fourth proportional to 57,643.20, 86,450.40 and 22,096.80 is: 33,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,643.20 : 86,450.40 = 22,096.80 : x
  2. Step 2: Convert to fraction form
    57,643.20/86,450.40 = 22,096.80/x
  3. Step 3: Cross multiply
    57,643.20x = 86,450.40 × 22,096.80
  4. Step 4: Simplify right side
    57,643.20x = 1,910,277,198.72
  5. Step 5: Solve for x
    x = 1,910,277,198.72/57,643.20
  6. Step 6: Final answer
    x = 33,139.68

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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.