Home / 106,344.92-159,516.91-31,465.53

Finding the Fourth Proportional to 106,344.92, 159,516.91 and 31,465.53

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Solution

The fourth proportional to 106,344.92, 159,516.91 and 31,465.53 is: 47,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,344.92 : 159,516.91 = 31,465.53 : x
  2. Step 2: Convert to fraction form
    106,344.92/159,516.91 = 31,465.53/x
  3. Step 3: Cross multiply
    106,344.92x = 159,516.91 × 31,465.53
  4. Step 4: Simplify right side
    106,344.92x = 5,019,284,156.44
  5. Step 5: Solve for x
    x = 5,019,284,156.44/106,344.92
  6. Step 6: Final answer
    x = 47,198.16

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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.