Home / 100,960.73-151,448.38-26,081.49

Finding the Fourth Proportional to 100,960.73, 151,448.38 and 26,081.49

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Solution

The fourth proportional to 100,960.73, 151,448.38 and 26,081.49 is: 39,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,960.73 : 151,448.38 = 26,081.49 : x
  2. Step 2: Convert to fraction form
    100,960.73/151,448.38 = 26,081.49/x
  3. Step 3: Cross multiply
    100,960.73x = 151,448.38 × 26,081.49
  4. Step 4: Simplify right side
    100,960.73x = 3,950,000,057.92
  5. Step 5: Solve for x
    x = 3,950,000,057.92/100,960.73
  6. Step 6: Final answer
    x = 39,124.12

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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.