Home / 106,745.06-160,112.12-31,865.82

Finding the Fourth Proportional to 106,745.06, 160,112.12 and 31,865.82

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Solution

The fourth proportional to 106,745.06, 160,112.12 and 31,865.82 is: 47,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,745.06 : 160,112.12 = 31,865.82 : x
  2. Step 2: Convert to fraction form
    106,745.06/160,112.12 = 31,865.82/x
  3. Step 3: Cross multiply
    106,745.06x = 160,112.12 × 31,865.82
  4. Step 4: Simplify right side
    106,745.06x = 5,102,103,836.41
  5. Step 5: Solve for x
    x = 5,102,103,836.41/106,745.06
  6. Step 6: Final answer
    x = 47,797.10

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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.