Home / 77,786.75-116,680.13-22,382.75

Finding the Fourth Proportional to 77,786.75, 116,680.13 and 22,382.75

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Solution

The fourth proportional to 77,786.75, 116,680.13 and 22,382.75 is: 33,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,786.75 : 116,680.13 = 22,382.75 : x
  2. Step 2: Convert to fraction form
    77,786.75/116,680.13 = 22,382.75/x
  3. Step 3: Cross multiply
    77,786.75x = 116,680.13 × 22,382.75
  4. Step 4: Simplify right side
    77,786.75x = 2,611,622,179.76
  5. Step 5: Solve for x
    x = 2,611,622,179.76/77,786.75
  6. Step 6: Final answer
    x = 33,574.13

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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.