Home / 49,078.40-73,531.20-40,265.60

Finding the Fourth Proportional to 49,078.40, 73,531.20 and 40,265.60

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Solution

The fourth proportional to 49,078.40, 73,531.20 and 40,265.60 is: 60,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,078.40 : 73,531.20 = 40,265.60 : x
  2. Step 2: Convert to fraction form
    49,078.40/73,531.20 = 40,265.60/x
  3. Step 3: Cross multiply
    49,078.40x = 73,531.20 × 40,265.60
  4. Step 4: Simplify right side
    49,078.40x = 2,960,777,886.72
  5. Step 5: Solve for x
    x = 2,960,777,886.72/49,078.40
  6. Step 6: Final answer
    x = 60,327.51

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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.