Home / 87,513.71-131,293.51-27,539.69

Finding the Fourth Proportional to 87,513.71, 131,293.51 and 27,539.69

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Solution

The fourth proportional to 87,513.71, 131,293.51 and 27,539.69 is: 41,316.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,513.71 : 131,293.51 = 27,539.69 : x
  2. Step 2: Convert to fraction form
    87,513.71/131,293.51 = 27,539.69/x
  3. Step 3: Cross multiply
    87,513.71x = 131,293.51 × 27,539.69
  4. Step 4: Simplify right side
    87,513.71x = 3,615,781,839.10
  5. Step 5: Solve for x
    x = 3,615,781,839.10/87,513.71
  6. Step 6: Final answer
    x = 41,316.75

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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.