Home / 103,920.88-155,793.84-41,557.36

Finding the Fourth Proportional to 103,920.88, 155,793.84 and 41,557.36

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Solution

The fourth proportional to 103,920.88, 155,793.84 and 41,557.36 is: 62,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,920.88 : 155,793.84 = 41,557.36 : x
  2. Step 2: Convert to fraction form
    103,920.88/155,793.84 = 41,557.36/x
  3. Step 3: Cross multiply
    103,920.88x = 155,793.84 × 41,557.36
  4. Step 4: Simplify right side
    103,920.88x = 6,474,380,694.66
  5. Step 5: Solve for x
    x = 6,474,380,694.66/103,920.88
  6. Step 6: Final answer
    x = 62,301.06

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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.