Home / 106,234.64-159,334.14-31,353.38

Finding the Fourth Proportional to 106,234.64, 159,334.14 and 31,353.38

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Solution

The fourth proportional to 106,234.64, 159,334.14 and 31,353.38 is: 47,024.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,234.64 : 159,334.14 = 31,353.38 : x
  2. Step 2: Convert to fraction form
    106,234.64/159,334.14 = 31,353.38/x
  3. Step 3: Cross multiply
    106,234.64x = 159,334.14 × 31,353.38
  4. Step 4: Simplify right side
    106,234.64x = 4,995,663,838.39
  5. Step 5: Solve for x
    x = 4,995,663,838.39/106,234.64
  6. Step 6: Final answer
    x = 47,024.81

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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.