Home / 106,433.46-159,673.68-31,559.58

Finding the Fourth Proportional to 106,433.46, 159,673.68 and 31,559.58

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Solution

The fourth proportional to 106,433.46, 159,673.68 and 31,559.58 is: 47,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.46 : 159,673.68 = 31,559.58 : x
  2. Step 2: Convert to fraction form
    106,433.46/159,673.68 = 31,559.58/x
  3. Step 3: Cross multiply
    106,433.46x = 159,673.68 × 31,559.58
  4. Step 4: Simplify right side
    106,433.46x = 5,039,234,277.85
  5. Step 5: Solve for x
    x = 5,039,234,277.85/106,433.46
  6. Step 6: Final answer
    x = 47,346.34

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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.