Home / 87,936.84-131,891.48-27,957.45

Finding the Fourth Proportional to 87,936.84, 131,891.48 and 27,957.45

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Solution

The fourth proportional to 87,936.84, 131,891.48 and 27,957.45 is: 41,931.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,936.84 : 131,891.48 = 27,957.45 : x
  2. Step 2: Convert to fraction form
    87,936.84/131,891.48 = 27,957.45/x
  3. Step 3: Cross multiply
    87,936.84x = 131,891.48 × 27,957.45
  4. Step 4: Simplify right side
    87,936.84x = 3,687,349,317.74
  5. Step 5: Solve for x
    x = 3,687,349,317.74/87,936.84
  6. Step 6: Final answer
    x = 41,931.79

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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.