Home / 76,183.29-114,288.20-31,841.19

Finding the Fourth Proportional to 76,183.29, 114,288.20 and 31,841.19

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Solution

The fourth proportional to 76,183.29, 114,288.20 and 31,841.19 is: 47,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,183.29 : 114,288.20 = 31,841.19 : x
  2. Step 2: Convert to fraction form
    76,183.29/114,288.20 = 31,841.19/x
  3. Step 3: Cross multiply
    76,183.29x = 114,288.20 × 31,841.19
  4. Step 4: Simplify right side
    76,183.29x = 3,639,072,131.75
  5. Step 5: Solve for x
    x = 3,639,072,131.75/76,183.29
  6. Step 6: Final answer
    x = 47,767.33

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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.