Home / 95,455.70-131,721.17-55,172.07

Finding the Fourth Proportional to 95,455.70, 131,721.17 and 55,172.07

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Solution

The fourth proportional to 95,455.70, 131,721.17 and 55,172.07 is: 76,133.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,455.70 : 131,721.17 = 55,172.07 : x
  2. Step 2: Convert to fraction form
    95,455.70/131,721.17 = 55,172.07/x
  3. Step 3: Cross multiply
    95,455.70x = 131,721.17 × 55,172.07
  4. Step 4: Simplify right side
    95,455.70x = 7,267,330,078.96
  5. Step 5: Solve for x
    x = 7,267,330,078.96/95,455.70
  6. Step 6: Final answer
    x = 76,133.02

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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.