Home / 109,233.80-163,859.54-30,348.04

Finding the Fourth Proportional to 109,233.80, 163,859.54 and 30,348.04

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Solution

The fourth proportional to 109,233.80, 163,859.54 and 30,348.04 is: 45,524.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,233.80 : 163,859.54 = 30,348.04 : x
  2. Step 2: Convert to fraction form
    109,233.80/163,859.54 = 30,348.04/x
  3. Step 3: Cross multiply
    109,233.80x = 163,859.54 × 30,348.04
  4. Step 4: Simplify right side
    109,233.80x = 4,972,815,874.30
  5. Step 5: Solve for x
    x = 4,972,815,874.30/109,233.80
  6. Step 6: Final answer
    x = 45,524.52

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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.