Home / 41,126.72-61,690.24-9,961.92

Finding the Fourth Proportional to 41,126.72, 61,690.24 and 9,961.92

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Solution

The fourth proportional to 41,126.72, 61,690.24 and 9,961.92 is: 14,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,126.72 : 61,690.24 = 9,961.92 : x
  2. Step 2: Convert to fraction form
    41,126.72/61,690.24 = 9,961.92/x
  3. Step 3: Cross multiply
    41,126.72x = 61,690.24 × 9,961.92
  4. Step 4: Simplify right side
    41,126.72x = 614,553,235.66
  5. Step 5: Solve for x
    x = 614,553,235.66/41,126.72
  6. Step 6: Final answer
    x = 14,942.92

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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.