Home / 73,204.20-109,806.30-28,806.84

Finding the Fourth Proportional to 73,204.20, 109,806.30 and 28,806.84

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Solution

The fourth proportional to 73,204.20, 109,806.30 and 28,806.84 is: 43,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,204.20 : 109,806.30 = 28,806.84 : x
  2. Step 2: Convert to fraction form
    73,204.20/109,806.30 = 28,806.84/x
  3. Step 3: Cross multiply
    73,204.20x = 109,806.30 × 28,806.84
  4. Step 4: Simplify right side
    73,204.20x = 3,163,172,515.09
  5. Step 5: Solve for x
    x = 3,163,172,515.09/73,204.20
  6. Step 6: Final answer
    x = 43,210.26

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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.