Home / 70,273.23-105,240.92-40,196.31

Finding the Fourth Proportional to 70,273.23, 105,240.92 and 40,196.31

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Solution

The fourth proportional to 70,273.23, 105,240.92 and 40,196.31 is: 60,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,273.23 : 105,240.92 = 40,196.31 : x
  2. Step 2: Convert to fraction form
    70,273.23/105,240.92 = 40,196.31/x
  3. Step 3: Cross multiply
    70,273.23x = 105,240.92 × 40,196.31
  4. Step 4: Simplify right side
    70,273.23x = 4,230,296,049.37
  5. Step 5: Solve for x
    x = 4,230,296,049.37/70,273.23
  6. Step 6: Final answer
    x = 60,197.83

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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.