Home / 76,083.45-114,063.35-31,743.24

Finding the Fourth Proportional to 76,083.45, 114,063.35 and 31,743.24

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Solution

The fourth proportional to 76,083.45, 114,063.35 and 31,743.24 is: 47,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,083.45 : 114,063.35 = 31,743.24 : x
  2. Step 2: Convert to fraction form
    76,083.45/114,063.35 = 31,743.24/x
  3. Step 3: Cross multiply
    76,083.45x = 114,063.35 × 31,743.24
  4. Step 4: Simplify right side
    76,083.45x = 3,620,740,135.54
  5. Step 5: Solve for x
    x = 3,620,740,135.54/76,083.45
  6. Step 6: Final answer
    x = 47,589.06

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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.