Home / 47,141.38-70,716.24-12,081.04

Finding the Fourth Proportional to 47,141.38, 70,716.24 and 12,081.04

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Solution

The fourth proportional to 47,141.38, 70,716.24 and 12,081.04 is: 18,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,141.38 : 70,716.24 = 12,081.04 : x
  2. Step 2: Convert to fraction form
    47,141.38/70,716.24 = 12,081.04/x
  3. Step 3: Cross multiply
    47,141.38x = 70,716.24 × 12,081.04
  4. Step 4: Simplify right side
    47,141.38x = 854,325,724.09
  5. Step 5: Solve for x
    x = 854,325,724.09/47,141.38
  6. Step 6: Final answer
    x = 18,122.63

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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.