Home / 87,643.69-131,496.14-27,681.48

Finding the Fourth Proportional to 87,643.69, 131,496.14 and 27,681.48

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Solution

The fourth proportional to 87,643.69, 131,496.14 and 27,681.48 is: 41,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,643.69 : 131,496.14 = 27,681.48 : x
  2. Step 2: Convert to fraction form
    87,643.69/131,496.14 = 27,681.48/x
  3. Step 3: Cross multiply
    87,643.69x = 131,496.14 × 27,681.48
  4. Step 4: Simplify right side
    87,643.69x = 3,640,007,838.69
  5. Step 5: Solve for x
    x = 3,640,007,838.69/87,643.69
  6. Step 6: Final answer
    x = 41,531.89

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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.