Home / 87,456.18-131,185.08-25,126.68

Finding the Fourth Proportional to 87,456.18, 131,185.08 and 25,126.68

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Solution

The fourth proportional to 87,456.18, 131,185.08 and 25,126.68 is: 37,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,456.18 : 131,185.08 = 25,126.68 : x
  2. Step 2: Convert to fraction form
    87,456.18/131,185.08 = 25,126.68/x
  3. Step 3: Cross multiply
    87,456.18x = 131,185.08 × 25,126.68
  4. Step 4: Simplify right side
    87,456.18x = 3,296,245,525.93
  5. Step 5: Solve for x
    x = 3,296,245,525.93/87,456.18
  6. Step 6: Final answer
    x = 37,690.25

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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.