Home / 66,583.91-99,874.85-19,836.79

Finding the Fourth Proportional to 66,583.91, 99,874.85 and 19,836.79

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Solution

The fourth proportional to 66,583.91, 99,874.85 and 19,836.79 is: 29,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,583.91 : 99,874.85 = 19,836.79 : x
  2. Step 2: Convert to fraction form
    66,583.91/99,874.85 = 19,836.79/x
  3. Step 3: Cross multiply
    66,583.91x = 99,874.85 × 19,836.79
  4. Step 4: Simplify right side
    66,583.91x = 1,981,195,827.17
  5. Step 5: Solve for x
    x = 1,981,195,827.17/66,583.91
  6. Step 6: Final answer
    x = 29,754.87

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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.