Home / 67,180.72-100,705.32-25,029.88

Finding the Fourth Proportional to 67,180.72, 100,705.32 and 25,029.88

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Solution

The fourth proportional to 67,180.72, 100,705.32 and 25,029.88 is: 37,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.72 : 100,705.32 = 25,029.88 : x
  2. Step 2: Convert to fraction form
    67,180.72/100,705.32 = 25,029.88/x
  3. Step 3: Cross multiply
    67,180.72x = 100,705.32 × 25,029.88
  4. Step 4: Simplify right side
    67,180.72x = 2,520,642,074.96
  5. Step 5: Solve for x
    x = 2,520,642,074.96/67,180.72
  6. Step 6: Final answer
    x = 37,520.32

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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.