Home / 109,405.73-164,108.60-34,531.70

Finding the Fourth Proportional to 109,405.73, 164,108.60 and 34,531.70

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Solution

The fourth proportional to 109,405.73, 164,108.60 and 34,531.70 is: 51,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,405.73 : 164,108.60 = 34,531.70 : x
  2. Step 2: Convert to fraction form
    109,405.73/164,108.60 = 34,531.70/x
  3. Step 3: Cross multiply
    109,405.73x = 164,108.60 × 34,531.70
  4. Step 4: Simplify right side
    109,405.73x = 5,666,948,942.62
  5. Step 5: Solve for x
    x = 5,666,948,942.62/109,405.73
  6. Step 6: Final answer
    x = 51,797.55

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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.