Home / 45,063.83-67,589.86-11,786.46

Finding the Fourth Proportional to 45,063.83, 67,589.86 and 11,786.46

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Solution

The fourth proportional to 45,063.83, 67,589.86 and 11,786.46 is: 17,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,063.83 : 67,589.86 = 11,786.46 : x
  2. Step 2: Convert to fraction form
    45,063.83/67,589.86 = 11,786.46/x
  3. Step 3: Cross multiply
    45,063.83x = 67,589.86 × 11,786.46
  4. Step 4: Simplify right side
    45,063.83x = 796,645,300.66
  5. Step 5: Solve for x
    x = 796,645,300.66/45,063.83
  6. Step 6: Final answer
    x = 17,678.15

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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.