Home / 82,260.28-123,390.44-29,669.76

Finding the Fourth Proportional to 82,260.28, 123,390.44 and 29,669.76

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Solution

The fourth proportional to 82,260.28, 123,390.44 and 29,669.76 is: 44,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,260.28 : 123,390.44 = 29,669.76 : x
  2. Step 2: Convert to fraction form
    82,260.28/123,390.44 = 29,669.76/x
  3. Step 3: Cross multiply
    82,260.28x = 123,390.44 × 29,669.76
  4. Step 4: Simplify right side
    82,260.28x = 3,660,964,704.01
  5. Step 5: Solve for x
    x = 3,660,964,704.01/82,260.28
  6. Step 6: Final answer
    x = 44,504.65

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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.