Home / 49,761.40-74,682.90-49,372.60

Finding the Fourth Proportional to 49,761.40, 74,682.90 and 49,372.60

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Solution

The fourth proportional to 49,761.40, 74,682.90 and 49,372.60 is: 74,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.40 : 74,682.90 = 49,372.60 : x
  2. Step 2: Convert to fraction form
    49,761.40/74,682.90 = 49,372.60/x
  3. Step 3: Cross multiply
    49,761.40x = 74,682.90 × 49,372.60
  4. Step 4: Simplify right side
    49,761.40x = 3,687,288,948.54
  5. Step 5: Solve for x
    x = 3,687,288,948.54/49,761.40
  6. Step 6: Final answer
    x = 74,099.38

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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.