Home / 101,318.82-151,981.31-34,757.99

Finding the Fourth Proportional to 101,318.82, 151,981.31 and 34,757.99

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Solution

The fourth proportional to 101,318.82, 151,981.31 and 34,757.99 is: 52,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.82 : 151,981.31 = 34,757.99 : x
  2. Step 2: Convert to fraction form
    101,318.82/151,981.31 = 34,757.99/x
  3. Step 3: Cross multiply
    101,318.82x = 151,981.31 × 34,757.99
  4. Step 4: Simplify right side
    101,318.82x = 5,282,563,919.47
  5. Step 5: Solve for x
    x = 5,282,563,919.47/101,318.82
  6. Step 6: Final answer
    x = 52,138.03

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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.