Home / 109,790.82-164,671.65-30,911.85

Finding the Fourth Proportional to 109,790.82, 164,671.65 and 30,911.85

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Solution

The fourth proportional to 109,790.82, 164,671.65 and 30,911.85 is: 46,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,790.82 : 164,671.65 = 30,911.85 : x
  2. Step 2: Convert to fraction form
    109,790.82/164,671.65 = 30,911.85/x
  3. Step 3: Cross multiply
    109,790.82x = 164,671.65 × 30,911.85
  4. Step 4: Simplify right side
    109,790.82x = 5,090,305,344.05
  5. Step 5: Solve for x
    x = 5,090,305,344.05/109,790.82
  6. Step 6: Final answer
    x = 46,363.67

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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.