Home / 106,469.24-159,734.64-31,591.04

Finding the Fourth Proportional to 106,469.24, 159,734.64 and 31,591.04

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Solution

The fourth proportional to 106,469.24, 159,734.64 and 31,591.04 is: 47,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,469.24 : 159,734.64 = 31,591.04 : x
  2. Step 2: Convert to fraction form
    106,469.24/159,734.64 = 31,591.04/x
  3. Step 3: Cross multiply
    106,469.24x = 159,734.64 × 31,591.04
  4. Step 4: Simplify right side
    106,469.24x = 5,046,183,401.63
  5. Step 5: Solve for x
    x = 5,046,183,401.63/106,469.24
  6. Step 6: Final answer
    x = 47,395.69

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1.5x scale

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.