Home / 114,768.24-172,186.92-40,902

Finding the Fourth Proportional to 114,768.24, 172,186.92 and 40,902

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Solution

The fourth proportional to 114,768.24, 172,186.92 and 40,902 is: 61,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,768.24 : 172,186.92 = 40,902 : x
  2. Step 2: Convert to fraction form
    114,768.24/172,186.92 = 40,902/x
  3. Step 3: Cross multiply
    114,768.24x = 172,186.92 × 40,902
  4. Step 4: Simplify right side
    114,768.24x = 7,042,789,401.84
  5. Step 5: Solve for x
    x = 7,042,789,401.84/114,768.24
  6. Step 6: Final answer
    x = 61,365.32

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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.