Home / 102,812.62-154,221.96-27,932.37

Finding the Fourth Proportional to 102,812.62, 154,221.96 and 27,932.37

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Solution

The fourth proportional to 102,812.62, 154,221.96 and 27,932.37 is: 41,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812.62 : 154,221.96 = 27,932.37 : x
  2. Step 2: Convert to fraction form
    102,812.62/154,221.96 = 27,932.37/x
  3. Step 3: Cross multiply
    102,812.62x = 154,221.96 × 27,932.37
  4. Step 4: Simplify right side
    102,812.62x = 4,307,784,463.29
  5. Step 5: Solve for x
    x = 4,307,784,463.29/102,812.62
  6. Step 6: Final answer
    x = 41,899.38

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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.