Home / 53,621.21-80,432.44-16,181.61

Finding the Fourth Proportional to 53,621.21, 80,432.44 and 16,181.61

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Solution

The fourth proportional to 53,621.21, 80,432.44 and 16,181.61 is: 24,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.21 : 80,432.44 = 16,181.61 : x
  2. Step 2: Convert to fraction form
    53,621.21/80,432.44 = 16,181.61/x
  3. Step 3: Cross multiply
    53,621.21x = 80,432.44 × 16,181.61
  4. Step 4: Simplify right side
    53,621.21x = 1,301,526,375.43
  5. Step 5: Solve for x
    x = 1,301,526,375.43/53,621.21
  6. Step 6: Final answer
    x = 24,272.60

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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.