Home / 87,455.86-131,183.70-25,126.36

Finding the Fourth Proportional to 87,455.86, 131,183.70 and 25,126.36

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Solution

The fourth proportional to 87,455.86, 131,183.70 and 25,126.36 is: 37,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455.86 : 131,183.70 = 25,126.36 : x
  2. Step 2: Convert to fraction form
    87,455.86/131,183.70 = 25,126.36/x
  3. Step 3: Cross multiply
    87,455.86x = 131,183.70 × 25,126.36
  4. Step 4: Simplify right side
    87,455.86x = 3,296,168,872.33
  5. Step 5: Solve for x
    x = 3,296,168,872.33/87,455.86
  6. Step 6: Final answer
    x = 37,689.51

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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.