Home / 115,729.20-173,610.60-49,169.20

Finding the Fourth Proportional to 115,729.20, 173,610.60 and 49,169.20

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Solution

The fourth proportional to 115,729.20, 173,610.60 and 49,169.20 is: 73,760.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,729.20 : 173,610.60 = 49,169.20 : x
  2. Step 2: Convert to fraction form
    115,729.20/173,610.60 = 49,169.20/x
  3. Step 3: Cross multiply
    115,729.20x = 173,610.60 × 49,169.20
  4. Step 4: Simplify right side
    115,729.20x = 8,536,294,313.52
  5. Step 5: Solve for x
    x = 8,536,294,313.52/115,729.20
  6. Step 6: Final answer
    x = 73,760.94

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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.