Home / 87,777.47-131,685.96-27,809.57

Finding the Fourth Proportional to 87,777.47, 131,685.96 and 27,809.57

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Solution

The fourth proportional to 87,777.47, 131,685.96 and 27,809.57 is: 41,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,777.47 : 131,685.96 = 27,809.57 : x
  2. Step 2: Convert to fraction form
    87,777.47/131,685.96 = 27,809.57/x
  3. Step 3: Cross multiply
    87,777.47x = 131,685.96 × 27,809.57
  4. Step 4: Simplify right side
    87,777.47x = 3,662,129,264.21
  5. Step 5: Solve for x
    x = 3,662,129,264.21/87,777.47
  6. Step 6: Final answer
    x = 41,720.61

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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.