Home / 73,217.12-109,726.31-33,186.11

Finding the Fourth Proportional to 73,217.12, 109,726.31 and 33,186.11

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Solution

The fourth proportional to 73,217.12, 109,726.31 and 33,186.11 is: 49,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,217.12 : 109,726.31 = 33,186.11 : x
  2. Step 2: Convert to fraction form
    73,217.12/109,726.31 = 33,186.11/x
  3. Step 3: Cross multiply
    73,217.12x = 109,726.31 × 33,186.11
  4. Step 4: Simplify right side
    73,217.12x = 3,641,388,927.89
  5. Step 5: Solve for x
    x = 3,641,388,927.89/73,217.12
  6. Step 6: Final answer
    x = 49,734.12

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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.