Home / 48,628.20-72,942.30-32,881.80

Finding the Fourth Proportional to 48,628.20, 72,942.30 and 32,881.80

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Solution

The fourth proportional to 48,628.20, 72,942.30 and 32,881.80 is: 49,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,628.20 : 72,942.30 = 32,881.80 : x
  2. Step 2: Convert to fraction form
    48,628.20/72,942.30 = 32,881.80/x
  3. Step 3: Cross multiply
    48,628.20x = 72,942.30 × 32,881.80
  4. Step 4: Simplify right side
    48,628.20x = 2,398,474,120.14
  5. Step 5: Solve for x
    x = 2,398,474,120.14/48,628.20
  6. Step 6: Final answer
    x = 49,322.70

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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.