Home / 76,205.92-114,382.66-36,790.70

Finding the Fourth Proportional to 76,205.92, 114,382.66 and 36,790.70

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Solution

The fourth proportional to 76,205.92, 114,382.66 and 36,790.70 is: 55,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,205.92 : 114,382.66 = 36,790.70 : x
  2. Step 2: Convert to fraction form
    76,205.92/114,382.66 = 36,790.70/x
  3. Step 3: Cross multiply
    76,205.92x = 114,382.66 × 36,790.70
  4. Step 4: Simplify right side
    76,205.92x = 4,208,218,129.26
  5. Step 5: Solve for x
    x = 4,208,218,129.26/76,205.92
  6. Step 6: Final answer
    x = 55,221.67

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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.