Home / 109,705.62-164,433.99-50,418.75

Finding the Fourth Proportional to 109,705.62, 164,433.99 and 50,418.75

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Solution

The fourth proportional to 109,705.62, 164,433.99 and 50,418.75 is: 75,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705.62 : 164,433.99 = 50,418.75 : x
  2. Step 2: Convert to fraction form
    109,705.62/164,433.99 = 50,418.75/x
  3. Step 3: Cross multiply
    109,705.62x = 164,433.99 × 50,418.75
  4. Step 4: Simplify right side
    109,705.62x = 8,290,556,233.31
  5. Step 5: Solve for x
    x = 8,290,556,233.31/109,705.62
  6. Step 6: Final answer
    x = 75,570.93

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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.