Home / 87,918.84-131,894.46-28,757.79

Finding the Fourth Proportional to 87,918.84, 131,894.46 and 28,757.79

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Solution

The fourth proportional to 87,918.84, 131,894.46 and 28,757.79 is: 43,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,918.84 : 131,894.46 = 28,757.79 : x
  2. Step 2: Convert to fraction form
    87,918.84/131,894.46 = 28,757.79/x
  3. Step 3: Cross multiply
    87,918.84x = 131,894.46 × 28,757.79
  4. Step 4: Simplify right side
    87,918.84x = 3,792,993,182.84
  5. Step 5: Solve for x
    x = 3,792,993,182.84/87,918.84
  6. Step 6: Final answer
    x = 43,141.98

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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.