Home / 77,896.18-107,493.60-43,911.73

Finding the Fourth Proportional to 77,896.18, 107,493.60 and 43,911.73

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Solution

The fourth proportional to 77,896.18, 107,493.60 and 43,911.73 is: 60,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,896.18 : 107,493.60 = 43,911.73 : x
  2. Step 2: Convert to fraction form
    77,896.18/107,493.60 = 43,911.73/x
  3. Step 3: Cross multiply
    77,896.18x = 107,493.60 × 43,911.73
  4. Step 4: Simplify right side
    77,896.18x = 4,720,229,939.93
  5. Step 5: Solve for x
    x = 4,720,229,939.93/77,896.18
  6. Step 6: Final answer
    x = 60,596.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.