Home / 71,818.36-99,198.22-50,691.94

Finding the Fourth Proportional to 71,818.36, 99,198.22 and 50,691.94

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Solution

The fourth proportional to 71,818.36, 99,198.22 and 50,691.94 is: 70,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,818.36 : 99,198.22 = 50,691.94 : x
  2. Step 2: Convert to fraction form
    71,818.36/99,198.22 = 50,691.94/x
  3. Step 3: Cross multiply
    71,818.36x = 99,198.22 × 50,691.94
  4. Step 4: Simplify right side
    71,818.36x = 5,028,550,216.35
  5. Step 5: Solve for x
    x = 5,028,550,216.35/71,818.36
  6. Step 6: Final answer
    x = 70,017.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.