Home / 83,239.24-124,871.30-30,644.73

Finding the Fourth Proportional to 83,239.24, 124,871.30 and 30,644.73

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Solution

The fourth proportional to 83,239.24, 124,871.30 and 30,644.73 is: 45,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,239.24 : 124,871.30 = 30,644.73 : x
  2. Step 2: Convert to fraction form
    83,239.24/124,871.30 = 30,644.73/x
  3. Step 3: Cross multiply
    83,239.24x = 124,871.30 × 30,644.73
  4. Step 4: Simplify right side
    83,239.24x = 3,826,647,273.25
  5. Step 5: Solve for x
    x = 3,826,647,273.25/83,239.24
  6. Step 6: Final answer
    x = 45,971.67

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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.