Home / 106,983.98-160,336.79-43,731.78

Finding the Fourth Proportional to 106,983.98, 160,336.79 and 43,731.78

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Solution

The fourth proportional to 106,983.98, 160,336.79 and 43,731.78 is: 65,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,983.98 : 160,336.79 = 43,731.78 : x
  2. Step 2: Convert to fraction form
    106,983.98/160,336.79 = 43,731.78/x
  3. Step 3: Cross multiply
    106,983.98x = 160,336.79 × 43,731.78
  4. Step 4: Simplify right side
    106,983.98x = 7,011,813,007.53
  5. Step 5: Solve for x
    x = 7,011,813,007.53/106,983.98
  6. Step 6: Final answer
    x = 65,540.78

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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.