Home / 82,028.50-123,054.63-25,849.60

Finding the Fourth Proportional to 82,028.50, 123,054.63 and 25,849.60

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Solution

The fourth proportional to 82,028.50, 123,054.63 and 25,849.60 is: 38,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,028.50 : 123,054.63 = 25,849.60 : x
  2. Step 2: Convert to fraction form
    82,028.50/123,054.63 = 25,849.60/x
  3. Step 3: Cross multiply
    82,028.50x = 123,054.63 × 25,849.60
  4. Step 4: Simplify right side
    82,028.50x = 3,180,912,963.65
  5. Step 5: Solve for x
    x = 3,180,912,963.65/82,028.50
  6. Step 6: Final answer
    x = 38,778.14

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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.