Home / 87,908.49-131,868.81-35,317.97

Finding the Fourth Proportional to 87,908.49, 131,868.81 and 35,317.97

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Solution

The fourth proportional to 87,908.49, 131,868.81 and 35,317.97 is: 52,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.49 : 131,868.81 = 35,317.97 : x
  2. Step 2: Convert to fraction form
    87,908.49/131,868.81 = 35,317.97/x
  3. Step 3: Cross multiply
    87,908.49x = 131,868.81 × 35,317.97
  4. Step 4: Simplify right side
    87,908.49x = 4,657,339,252.44
  5. Step 5: Solve for x
    x = 4,657,339,252.44/87,908.49
  6. Step 6: Final answer
    x = 52,979.40

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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.