Home / 87,995.52-131,997.76-25,670.72

Finding the Fourth Proportional to 87,995.52, 131,997.76 and 25,670.72

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Solution

The fourth proportional to 87,995.52, 131,997.76 and 25,670.72 is: 38,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,995.52 : 131,997.76 = 25,670.72 : x
  2. Step 2: Convert to fraction form
    87,995.52/131,997.76 = 25,670.72/x
  3. Step 3: Cross multiply
    87,995.52x = 131,997.76 × 25,670.72
  4. Step 4: Simplify right side
    87,995.52x = 3,388,477,537.59
  5. Step 5: Solve for x
    x = 3,388,477,537.59/87,995.52
  6. Step 6: Final answer
    x = 38,507.39

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1.5x scale

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.