Home / 48,121.14-72,194.04-20,031.87

Finding the Fourth Proportional to 48,121.14, 72,194.04 and 20,031.87

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Solution

The fourth proportional to 48,121.14, 72,194.04 and 20,031.87 is: 30,052.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,121.14 : 72,194.04 = 20,031.87 : x
  2. Step 2: Convert to fraction form
    48,121.14/72,194.04 = 20,031.87/x
  3. Step 3: Cross multiply
    48,121.14x = 72,194.04 × 20,031.87
  4. Step 4: Simplify right side
    48,121.14x = 1,446,181,624.05
  5. Step 5: Solve for x
    x = 1,446,181,624.05/48,121.14
  6. Step 6: Final answer
    x = 30,052.94

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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.