Home / 73,049.30-109,531.70-28,624.04

Finding the Fourth Proportional to 73,049.30, 109,531.70 and 28,624.04

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Solution

The fourth proportional to 73,049.30, 109,531.70 and 28,624.04 is: 42,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,049.30 : 109,531.70 = 28,624.04 : x
  2. Step 2: Convert to fraction form
    73,049.30/109,531.70 = 28,624.04/x
  3. Step 3: Cross multiply
    73,049.30x = 109,531.70 × 28,624.04
  4. Step 4: Simplify right side
    73,049.30x = 3,135,239,618.95
  5. Step 5: Solve for x
    x = 3,135,239,618.95/73,049.30
  6. Step 6: Final answer
    x = 42,919.50

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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.