Home / 106,259.56-159,351.82-31,359.67

Finding the Fourth Proportional to 106,259.56, 159,351.82 and 31,359.67

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Solution

The fourth proportional to 106,259.56, 159,351.82 and 31,359.67 is: 47,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,259.56 : 159,351.82 = 31,359.67 : x
  2. Step 2: Convert to fraction form
    106,259.56/159,351.82 = 31,359.67/x
  3. Step 3: Cross multiply
    106,259.56x = 159,351.82 × 31,359.67
  4. Step 4: Simplify right side
    106,259.56x = 4,997,220,012.32
  5. Step 5: Solve for x
    x = 4,997,220,012.32/106,259.56
  6. Step 6: Final answer
    x = 47,028.43

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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.