Home / 75,676.74-113,505.66-31,297.92

Finding the Fourth Proportional to 75,676.74, 113,505.66 and 31,297.92

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Solution

The fourth proportional to 75,676.74, 113,505.66 and 31,297.92 is: 46,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,676.74 : 113,505.66 = 31,297.92 : x
  2. Step 2: Convert to fraction form
    75,676.74/113,505.66 = 31,297.92/x
  3. Step 3: Cross multiply
    75,676.74x = 113,505.66 × 31,297.92
  4. Step 4: Simplify right side
    75,676.74x = 3,552,491,066.23
  5. Step 5: Solve for x
    x = 3,552,491,066.23/75,676.74
  6. Step 6: Final answer
    x = 46,942.97

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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.