Home / 82,190.60-123,286.74-26,029.68

Finding the Fourth Proportional to 82,190.60, 123,286.74 and 26,029.68

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Solution

The fourth proportional to 82,190.60, 123,286.74 and 26,029.68 is: 39,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,190.60 : 123,286.74 = 26,029.68 : x
  2. Step 2: Convert to fraction form
    82,190.60/123,286.74 = 26,029.68/x
  3. Step 3: Cross multiply
    82,190.60x = 123,286.74 × 26,029.68
  4. Step 4: Simplify right side
    82,190.60x = 3,209,114,390.44
  5. Step 5: Solve for x
    x = 3,209,114,390.44/82,190.60
  6. Step 6: Final answer
    x = 39,044.79

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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.