Home / 112,441.70-168,709.30-49,229.28

Finding the Fourth Proportional to 112,441.70, 168,709.30 and 49,229.28

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Solution

The fourth proportional to 112,441.70, 168,709.30 and 49,229.28 is: 73,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,441.70 : 168,709.30 = 49,229.28 : x
  2. Step 2: Convert to fraction form
    112,441.70/168,709.30 = 49,229.28/x
  3. Step 3: Cross multiply
    112,441.70x = 168,709.30 × 49,229.28
  4. Step 4: Simplify right side
    112,441.70x = 8,305,437,245.23
  5. Step 5: Solve for x
    x = 8,305,437,245.23/112,441.70
  6. Step 6: Final answer
    x = 73,864.39

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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.