Home / 41,121.20-61,681.62-9,956.54

Finding the Fourth Proportional to 41,121.20, 61,681.62 and 9,956.54

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Solution

The fourth proportional to 41,121.20, 61,681.62 and 9,956.54 is: 14,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.20 : 61,681.62 = 9,956.54 : x
  2. Step 2: Convert to fraction form
    41,121.20/61,681.62 = 9,956.54/x
  3. Step 3: Cross multiply
    41,121.20x = 61,681.62 × 9,956.54
  4. Step 4: Simplify right side
    41,121.20x = 614,135,516.79
  5. Step 5: Solve for x
    x = 614,135,516.79/41,121.20
  6. Step 6: Final answer
    x = 14,934.77

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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.