Home / 51,181.20-70,635.26-28,523.88

Finding the Fourth Proportional to 51,181.20, 70,635.26 and 28,523.88

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Solution

The fourth proportional to 51,181.20, 70,635.26 and 28,523.88 is: 39,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.20 : 70,635.26 = 28,523.88 : x
  2. Step 2: Convert to fraction form
    51,181.20/70,635.26 = 28,523.88/x
  3. Step 3: Cross multiply
    51,181.20x = 70,635.26 × 28,523.88
  4. Step 4: Simplify right side
    51,181.20x = 2,014,791,680.01
  5. Step 5: Solve for x
    x = 2,014,791,680.01/51,181.20
  6. Step 6: Final answer
    x = 39,365.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.