Home / 89,218.26-123,121.18-49,474.26

Finding the Fourth Proportional to 89,218.26, 123,121.18 and 49,474.26

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Solution

The fourth proportional to 89,218.26, 123,121.18 and 49,474.26 is: 68,274.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,218.26 : 123,121.18 = 49,474.26 : x
  2. Step 2: Convert to fraction form
    89,218.26/123,121.18 = 49,474.26/x
  3. Step 3: Cross multiply
    89,218.26x = 123,121.18 × 49,474.26
  4. Step 4: Simplify right side
    89,218.26x = 6,091,329,270.83
  5. Step 5: Solve for x
    x = 6,091,329,270.83/89,218.26
  6. Step 6: Final answer
    x = 68,274.47

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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.