Home / 67,181.72-100,706.82-25,030.88

Finding the Fourth Proportional to 67,181.72, 100,706.82 and 25,030.88

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Solution

The fourth proportional to 67,181.72, 100,706.82 and 25,030.88 is: 37,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.72 : 100,706.82 = 25,030.88 : x
  2. Step 2: Convert to fraction form
    67,181.72/100,706.82 = 25,030.88/x
  3. Step 3: Cross multiply
    67,181.72x = 100,706.82 × 25,030.88
  4. Step 4: Simplify right side
    67,181.72x = 2,520,780,326.60
  5. Step 5: Solve for x
    x = 2,520,780,326.60/67,181.72
  6. Step 6: Final answer
    x = 37,521.82

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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.