Home / 106,722.55-160,091.93-31,836.84

Finding the Fourth Proportional to 106,722.55, 160,091.93 and 31,836.84

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Solution

The fourth proportional to 106,722.55, 160,091.93 and 31,836.84 is: 47,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,722.55 : 160,091.93 = 31,836.84 : x
  2. Step 2: Convert to fraction form
    106,722.55/160,091.93 = 31,836.84/x
  3. Step 3: Cross multiply
    106,722.55x = 160,091.93 × 31,836.84
  4. Step 4: Simplify right side
    106,722.55x = 5,096,821,160.70
  5. Step 5: Solve for x
    x = 5,096,821,160.70/106,722.55
  6. Step 6: Final answer
    x = 47,757.68

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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.