Home / 75,765.75-113,653.18-23,175.69

Finding the Fourth Proportional to 75,765.75, 113,653.18 and 23,175.69

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Solution

The fourth proportional to 75,765.75, 113,653.18 and 23,175.69 is: 34,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,765.75 : 113,653.18 = 23,175.69 : x
  2. Step 2: Convert to fraction form
    75,765.75/113,653.18 = 23,175.69/x
  3. Step 3: Cross multiply
    75,765.75x = 113,653.18 × 23,175.69
  4. Step 4: Simplify right side
    75,765.75x = 2,633,990,896.16
  5. Step 5: Solve for x
    x = 2,633,990,896.16/75,765.75
  6. Step 6: Final answer
    x = 34,764.93

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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.