Home / 87,056.97-130,581.81-27,891.33

Finding the Fourth Proportional to 87,056.97, 130,581.81 and 27,891.33

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Solution

The fourth proportional to 87,056.97, 130,581.81 and 27,891.33 is: 41,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,056.97 : 130,581.81 = 27,891.33 : x
  2. Step 2: Convert to fraction form
    87,056.97/130,581.81 = 27,891.33/x
  3. Step 3: Cross multiply
    87,056.97x = 130,581.81 × 27,891.33
  4. Step 4: Simplify right side
    87,056.97x = 3,642,100,681.16
  5. Step 5: Solve for x
    x = 3,642,100,681.16/87,056.97
  6. Step 6: Final answer
    x = 41,835.83

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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.