Home / 115,247-172,938.54-48,682.82

Finding the Fourth Proportional to 115,247, 172,938.54 and 48,682.82

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Solution

The fourth proportional to 115,247, 172,938.54 and 48,682.82 is: 73,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,247 : 172,938.54 = 48,682.82 : x
  2. Step 2: Convert to fraction form
    115,247/172,938.54 = 48,682.82/x
  3. Step 3: Cross multiply
    115,247x = 172,938.54 × 48,682.82
  4. Step 4: Simplify right side
    115,247x = 8,419,135,813.88
  5. Step 5: Solve for x
    x = 8,419,135,813.88/115,247
  6. Step 6: Final answer
    x = 73,052.97

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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.