Home / 106,330.71-159,517.04-30,429.96

Finding the Fourth Proportional to 106,330.71, 159,517.04 and 30,429.96

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Solution

The fourth proportional to 106,330.71, 159,517.04 and 30,429.96 is: 45,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.71 : 159,517.04 = 30,429.96 : x
  2. Step 2: Convert to fraction form
    106,330.71/159,517.04 = 30,429.96/x
  3. Step 3: Cross multiply
    106,330.71x = 159,517.04 × 30,429.96
  4. Step 4: Simplify right side
    106,330.71x = 4,854,096,994.37
  5. Step 5: Solve for x
    x = 4,854,096,994.37/106,330.71
  6. Step 6: Final answer
    x = 45,650.94

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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.