Home / 41,135.76-61,728.20-37,789.60

Finding the Fourth Proportional to 41,135.76, 61,728.20 and 37,789.60

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Solution

The fourth proportional to 41,135.76, 61,728.20 and 37,789.60 is: 56,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,135.76 : 61,728.20 = 37,789.60 : x
  2. Step 2: Convert to fraction form
    41,135.76/61,728.20 = 37,789.60/x
  3. Step 3: Cross multiply
    41,135.76x = 61,728.20 × 37,789.60
  4. Step 4: Simplify right side
    41,135.76x = 2,332,683,986.72
  5. Step 5: Solve for x
    x = 2,332,683,986.72/41,135.76
  6. Step 6: Final answer
    x = 56,706.96

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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.