Home / 66,753.05-100,019-46,934.78

Finding the Fourth Proportional to 66,753.05, 100,019 and 46,934.78

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Solution

The fourth proportional to 66,753.05, 100,019 and 46,934.78 is: 70,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,753.05 : 100,019 = 46,934.78 : x
  2. Step 2: Convert to fraction form
    66,753.05/100,019 = 46,934.78/x
  3. Step 3: Cross multiply
    66,753.05x = 100,019 × 46,934.78
  4. Step 4: Simplify right side
    66,753.05x = 4,694,369,760.82
  5. Step 5: Solve for x
    x = 4,694,369,760.82/66,753.05
  6. Step 6: Final answer
    x = 70,324.42

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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.