Home / 67,028.66-100,494.32-31,471.69

Finding the Fourth Proportional to 67,028.66, 100,494.32 and 31,471.69

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Solution

The fourth proportional to 67,028.66, 100,494.32 and 31,471.69 is: 47,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.66 : 100,494.32 = 31,471.69 : x
  2. Step 2: Convert to fraction form
    67,028.66/100,494.32 = 31,471.69/x
  3. Step 3: Cross multiply
    67,028.66x = 100,494.32 × 31,471.69
  4. Step 4: Simplify right side
    67,028.66x = 3,162,726,042.66
  5. Step 5: Solve for x
    x = 3,162,726,042.66/67,028.66
  6. Step 6: Final answer
    x = 47,184.68

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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.