Home / 95,769.75-143,654.64-30,105.75

Finding the Fourth Proportional to 95,769.75, 143,654.64 and 30,105.75

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Solution

The fourth proportional to 95,769.75, 143,654.64 and 30,105.75 is: 45,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,769.75 : 143,654.64 = 30,105.75 : x
  2. Step 2: Convert to fraction form
    95,769.75/143,654.64 = 30,105.75/x
  3. Step 3: Cross multiply
    95,769.75x = 143,654.64 × 30,105.75
  4. Step 4: Simplify right side
    95,769.75x = 4,324,830,678.18
  5. Step 5: Solve for x
    x = 4,324,830,678.18/95,769.75
  6. Step 6: Final answer
    x = 45,158.63

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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.