Home / 82,020.52-123,035.86-25,862.56

Finding the Fourth Proportional to 82,020.52, 123,035.86 and 25,862.56

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Solution

The fourth proportional to 82,020.52, 123,035.86 and 25,862.56 is: 38,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,020.52 : 123,035.86 = 25,862.56 : x
  2. Step 2: Convert to fraction form
    82,020.52/123,035.86 = 25,862.56/x
  3. Step 3: Cross multiply
    82,020.52x = 123,035.86 × 25,862.56
  4. Step 4: Simplify right side
    82,020.52x = 3,182,022,311.40
  5. Step 5: Solve for x
    x = 3,182,022,311.40/82,020.52
  6. Step 6: Final answer
    x = 38,795.44

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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.