Home / 87,021.44-130,575.52-34,468.80

Finding the Fourth Proportional to 87,021.44, 130,575.52 and 34,468.80

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Solution

The fourth proportional to 87,021.44, 130,575.52 and 34,468.80 is: 51,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,021.44 : 130,575.52 = 34,468.80 : x
  2. Step 2: Convert to fraction form
    87,021.44/130,575.52 = 34,468.80/x
  3. Step 3: Cross multiply
    87,021.44x = 130,575.52 × 34,468.80
  4. Step 4: Simplify right side
    87,021.44x = 4,500,781,483.78
  5. Step 5: Solve for x
    x = 4,500,781,483.78/87,021.44
  6. Step 6: Final answer
    x = 51,720.37

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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.