Home / 87,321.33-130,872.39-37,342.64

Finding the Fourth Proportional to 87,321.33, 130,872.39 and 37,342.64

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Solution

The fourth proportional to 87,321.33, 130,872.39 and 37,342.64 is: 55,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321.33 : 130,872.39 = 37,342.64 : x
  2. Step 2: Convert to fraction form
    87,321.33/130,872.39 = 37,342.64/x
  3. Step 3: Cross multiply
    87,321.33x = 130,872.39 × 37,342.64
  4. Step 4: Simplify right side
    87,321.33x = 4,887,119,891.35
  5. Step 5: Solve for x
    x = 4,887,119,891.35/87,321.33
  6. Step 6: Final answer
    x = 55,967.08

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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.