Home / 101,942.97-152,914.46-31,828.29

Finding the Fourth Proportional to 101,942.97, 152,914.46 and 31,828.29

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Solution

The fourth proportional to 101,942.97, 152,914.46 and 31,828.29 is: 47,742.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,942.97 : 152,914.46 = 31,828.29 : x
  2. Step 2: Convert to fraction form
    101,942.97/152,914.46 = 31,828.29/x
  3. Step 3: Cross multiply
    101,942.97x = 152,914.46 × 31,828.29
  4. Step 4: Simplify right side
    101,942.97x = 4,867,005,618.93
  5. Step 5: Solve for x
    x = 4,867,005,618.93/101,942.97
  6. Step 6: Final answer
    x = 47,742.44

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Similar ratio
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1.5x scale

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.