Home / 106,481.75-159,675.85-39,875.17

Finding the Fourth Proportional to 106,481.75, 159,675.85 and 39,875.17

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Solution

The fourth proportional to 106,481.75, 159,675.85 and 39,875.17 is: 59,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,481.75 : 159,675.85 = 39,875.17 : x
  2. Step 2: Convert to fraction form
    106,481.75/159,675.85 = 39,875.17/x
  3. Step 3: Cross multiply
    106,481.75x = 159,675.85 × 39,875.17
  4. Step 4: Simplify right side
    106,481.75x = 6,367,100,665.89
  5. Step 5: Solve for x
    x = 6,367,100,665.89/106,481.75
  6. Step 6: Final answer
    x = 59,795.23

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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.