Home / 106,272.54-159,310.35-47,076.66

Finding the Fourth Proportional to 106,272.54, 159,310.35 and 47,076.66

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Solution

The fourth proportional to 106,272.54, 159,310.35 and 47,076.66 is: 70,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,272.54 : 159,310.35 = 47,076.66 : x
  2. Step 2: Convert to fraction form
    106,272.54/159,310.35 = 47,076.66/x
  3. Step 3: Cross multiply
    106,272.54x = 159,310.35 × 47,076.66
  4. Step 4: Simplify right side
    106,272.54x = 7,499,799,181.43
  5. Step 5: Solve for x
    x = 7,499,799,181.43/106,272.54
  6. Step 6: Final answer
    x = 70,571.37

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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.