Home / 41,703.60-62,558.64-12,121.92

Finding the Fourth Proportional to 41,703.60, 62,558.64 and 12,121.92

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Solution

The fourth proportional to 41,703.60, 62,558.64 and 12,121.92 is: 18,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,703.60 : 62,558.64 = 12,121.92 : x
  2. Step 2: Convert to fraction form
    41,703.60/62,558.64 = 12,121.92/x
  3. Step 3: Cross multiply
    41,703.60x = 62,558.64 × 12,121.92
  4. Step 4: Simplify right side
    41,703.60x = 758,330,829.39
  5. Step 5: Solve for x
    x = 758,330,829.39/41,703.60
  6. Step 6: Final answer
    x = 18,183.82

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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.