Home / 107,519.75-161,178.83-36,392.61

Finding the Fourth Proportional to 107,519.75, 161,178.83 and 36,392.61

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Solution

The fourth proportional to 107,519.75, 161,178.83 and 36,392.61 is: 54,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,519.75 : 161,178.83 = 36,392.61 : x
  2. Step 2: Convert to fraction form
    107,519.75/161,178.83 = 36,392.61/x
  3. Step 3: Cross multiply
    107,519.75x = 161,178.83 × 36,392.61
  4. Step 4: Simplify right side
    107,519.75x = 5,865,718,118.48
  5. Step 5: Solve for x
    x = 5,865,718,118.48/107,519.75
  6. Step 6: Final answer
    x = 54,554.80

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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.