Home / 105,578.68-158,348.22-52,974.04

Finding the Fourth Proportional to 105,578.68, 158,348.22 and 52,974.04

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Solution

The fourth proportional to 105,578.68, 158,348.22 and 52,974.04 is: 79,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,578.68 : 158,348.22 = 52,974.04 : x
  2. Step 2: Convert to fraction form
    105,578.68/158,348.22 = 52,974.04/x
  3. Step 3: Cross multiply
    105,578.68x = 158,348.22 × 52,974.04
  4. Step 4: Simplify right side
    105,578.68x = 8,388,344,940.21
  5. Step 5: Solve for x
    x = 8,388,344,940.21/105,578.68
  6. Step 6: Final answer
    x = 79,451.13

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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.