Home / 114,942.92-172,493.64-40,063.68

Finding the Fourth Proportional to 114,942.92, 172,493.64 and 40,063.68

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Solution

The fourth proportional to 114,942.92, 172,493.64 and 40,063.68 is: 60,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,942.92 : 172,493.64 = 40,063.68 : x
  2. Step 2: Convert to fraction form
    114,942.92/172,493.64 = 40,063.68/x
  3. Step 3: Cross multiply
    114,942.92x = 172,493.64 × 40,063.68
  4. Step 4: Simplify right side
    114,942.92x = 6,910,729,995.00
  5. Step 5: Solve for x
    x = 6,910,729,995.00/114,942.92
  6. Step 6: Final answer
    x = 60,123.15

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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.