Home / 114,961.85-172,442.84-31,855.85

Finding the Fourth Proportional to 114,961.85, 172,442.84 and 31,855.85

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Solution

The fourth proportional to 114,961.85, 172,442.84 and 31,855.85 is: 47,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,961.85 : 172,442.84 = 31,855.85 : x
  2. Step 2: Convert to fraction form
    114,961.85/172,442.84 = 31,855.85/x
  3. Step 3: Cross multiply
    114,961.85x = 172,442.84 × 31,855.85
  4. Step 4: Simplify right side
    114,961.85x = 5,493,313,244.61
  5. Step 5: Solve for x
    x = 5,493,313,244.61/114,961.85
  6. Step 6: Final answer
    x = 47,783.79

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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.