Home / 109,515.82-164,213.49-49,473.76

Finding the Fourth Proportional to 109,515.82, 164,213.49 and 49,473.76

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Solution

The fourth proportional to 109,515.82, 164,213.49 and 49,473.76 is: 74,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,515.82 : 164,213.49 = 49,473.76 : x
  2. Step 2: Convert to fraction form
    109,515.82/164,213.49 = 49,473.76/x
  3. Step 3: Cross multiply
    109,515.82x = 164,213.49 × 49,473.76
  4. Step 4: Simplify right side
    109,515.82x = 8,124,258,793.02
  5. Step 5: Solve for x
    x = 8,124,258,793.02/109,515.82
  6. Step 6: Final answer
    x = 74,183.43

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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.