Home / 101,949.27-140,660.85-61,633.75

Finding the Fourth Proportional to 101,949.27, 140,660.85 and 61,633.75

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Solution

The fourth proportional to 101,949.27, 140,660.85 and 61,633.75 is: 85,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,949.27 : 140,660.85 = 61,633.75 : x
  2. Step 2: Convert to fraction form
    101,949.27/140,660.85 = 61,633.75/x
  3. Step 3: Cross multiply
    101,949.27x = 140,660.85 × 61,633.75
  4. Step 4: Simplify right side
    101,949.27x = 8,669,455,663.69
  5. Step 5: Solve for x
    x = 8,669,455,663.69/101,949.27
  6. Step 6: Final answer
    x = 85,036.96

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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.