Home / 109,604.88-164,394.40-30,725.44

Finding the Fourth Proportional to 109,604.88, 164,394.40 and 30,725.44

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Solution

The fourth proportional to 109,604.88, 164,394.40 and 30,725.44 is: 46,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,604.88 : 164,394.40 = 30,725.44 : x
  2. Step 2: Convert to fraction form
    109,604.88/164,394.40 = 30,725.44/x
  3. Step 3: Cross multiply
    109,604.88x = 164,394.40 × 30,725.44
  4. Step 4: Simplify right side
    109,604.88x = 5,051,090,273.54
  5. Step 5: Solve for x
    x = 5,051,090,273.54/109,604.88
  6. Step 6: Final answer
    x = 46,084.54

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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.