Home / 106,222.70-159,335.42-31,343.92

Finding the Fourth Proportional to 106,222.70, 159,335.42 and 31,343.92

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Solution

The fourth proportional to 106,222.70, 159,335.42 and 31,343.92 is: 47,016.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.70 : 159,335.42 = 31,343.92 : x
  2. Step 2: Convert to fraction form
    106,222.70/159,335.42 = 31,343.92/x
  3. Step 3: Cross multiply
    106,222.70x = 159,335.42 × 31,343.92
  4. Step 4: Simplify right side
    106,222.70x = 4,994,197,465.34
  5. Step 5: Solve for x
    x = 4,994,197,465.34/106,222.70
  6. Step 6: Final answer
    x = 47,016.29

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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.