Home / 106,514.48-159,749.85-50,330.72

Finding the Fourth Proportional to 106,514.48, 159,749.85 and 50,330.72

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Solution

The fourth proportional to 106,514.48, 159,749.85 and 50,330.72 is: 75,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,514.48 : 159,749.85 = 50,330.72 : x
  2. Step 2: Convert to fraction form
    106,514.48/159,749.85 = 50,330.72/x
  3. Step 3: Cross multiply
    106,514.48x = 159,749.85 × 50,330.72
  4. Step 4: Simplify right side
    106,514.48x = 8,040,324,970.39
  5. Step 5: Solve for x
    x = 8,040,324,970.39/106,514.48
  6. Step 6: Final answer
    x = 75,485.75

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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.