Home / 106,747.17-160,115.28-31,867.94

Finding the Fourth Proportional to 106,747.17, 160,115.28 and 31,867.94

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Solution

The fourth proportional to 106,747.17, 160,115.28 and 31,867.94 is: 47,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,747.17 : 160,115.28 = 31,867.94 : x
  2. Step 2: Convert to fraction form
    106,747.17/160,115.28 = 31,867.94/x
  3. Step 3: Cross multiply
    106,747.17x = 160,115.28 × 31,867.94
  4. Step 4: Simplify right side
    106,747.17x = 5,102,543,335.55
  5. Step 5: Solve for x
    x = 5,102,543,335.55/106,747.17
  6. Step 6: Final answer
    x = 47,800.27

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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.