Home / 106,336.87-159,528.66-31,451.18

Finding the Fourth Proportional to 106,336.87, 159,528.66 and 31,451.18

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Solution

The fourth proportional to 106,336.87, 159,528.66 and 31,451.18 is: 47,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,336.87 : 159,528.66 = 31,451.18 : x
  2. Step 2: Convert to fraction form
    106,336.87/159,528.66 = 31,451.18/x
  3. Step 3: Cross multiply
    106,336.87x = 159,528.66 × 31,451.18
  4. Step 4: Simplify right side
    106,336.87x = 5,017,364,600.82
  5. Step 5: Solve for x
    x = 5,017,364,600.82/106,336.87
  6. Step 6: Final answer
    x = 47,183.68

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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.