Home / 106,722.36-160,091.52-31,836.60

Finding the Fourth Proportional to 106,722.36, 160,091.52 and 31,836.60

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Solution

The fourth proportional to 106,722.36, 160,091.52 and 31,836.60 is: 47,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,722.36 : 160,091.52 = 31,836.60 : x
  2. Step 2: Convert to fraction form
    106,722.36/160,091.52 = 31,836.60/x
  3. Step 3: Cross multiply
    106,722.36x = 160,091.52 × 31,836.60
  4. Step 4: Simplify right side
    106,722.36x = 5,096,769,685.63
  5. Step 5: Solve for x
    x = 5,096,769,685.63/106,722.36
  6. Step 6: Final answer
    x = 47,757.28

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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.