Home / 48,845.40-73,049.40-40,972.20

Finding the Fourth Proportional to 48,845.40, 73,049.40 and 40,972.20

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Solution

The fourth proportional to 48,845.40, 73,049.40 and 40,972.20 is: 61,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,845.40 : 73,049.40 = 40,972.20 : x
  2. Step 2: Convert to fraction form
    48,845.40/73,049.40 = 40,972.20/x
  3. Step 3: Cross multiply
    48,845.40x = 73,049.40 × 40,972.20
  4. Step 4: Simplify right side
    48,845.40x = 2,992,994,626.68
  5. Step 5: Solve for x
    x = 2,992,994,626.68/48,845.40
  6. Step 6: Final answer
    x = 61,274.85

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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.