Home / 106,738.99-160,059.26-31,839.71

Finding the Fourth Proportional to 106,738.99, 160,059.26 and 31,839.71

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Solution

The fourth proportional to 106,738.99, 160,059.26 and 31,839.71 is: 47,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,738.99 : 160,059.26 = 31,839.71 : x
  2. Step 2: Convert to fraction form
    106,738.99/160,059.26 = 31,839.71/x
  3. Step 3: Cross multiply
    106,738.99x = 160,059.26 × 31,839.71
  4. Step 4: Simplify right side
    106,738.99x = 5,096,239,700.52
  5. Step 5: Solve for x
    x = 5,096,239,700.52/106,738.99
  6. Step 6: Final answer
    x = 47,744.88

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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.