Home / 89,292.68-123,231.47-49,013.27

Finding the Fourth Proportional to 89,292.68, 123,231.47 and 49,013.27

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Solution

The fourth proportional to 89,292.68, 123,231.47 and 49,013.27 is: 67,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,292.68 : 123,231.47 = 49,013.27 : x
  2. Step 2: Convert to fraction form
    89,292.68/123,231.47 = 49,013.27/x
  3. Step 3: Cross multiply
    89,292.68x = 123,231.47 × 49,013.27
  4. Step 4: Simplify right side
    89,292.68x = 6,039,976,912.50
  5. Step 5: Solve for x
    x = 6,039,976,912.50/89,292.68
  6. Step 6: Final answer
    x = 67,642.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.