Home / 87,286.86-130,995.50-33,987.24

Finding the Fourth Proportional to 87,286.86, 130,995.50 and 33,987.24

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Solution

The fourth proportional to 87,286.86, 130,995.50 and 33,987.24 is: 51,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,286.86 : 130,995.50 = 33,987.24 : x
  2. Step 2: Convert to fraction form
    87,286.86/130,995.50 = 33,987.24/x
  3. Step 3: Cross multiply
    87,286.86x = 130,995.50 × 33,987.24
  4. Step 4: Simplify right side
    87,286.86x = 4,452,175,327.48
  5. Step 5: Solve for x
    x = 4,452,175,327.48/87,286.86
  6. Step 6: Final answer
    x = 51,006.25

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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.