Home / 53,625.60-80,414.10-20,334.60

Finding the Fourth Proportional to 53,625.60, 80,414.10 and 20,334.60

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Solution

The fourth proportional to 53,625.60, 80,414.10 and 20,334.60 is: 30,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,625.60 : 80,414.10 = 20,334.60 : x
  2. Step 2: Convert to fraction form
    53,625.60/80,414.10 = 20,334.60/x
  3. Step 3: Cross multiply
    53,625.60x = 80,414.10 × 20,334.60
  4. Step 4: Simplify right side
    53,625.60x = 1,635,188,557.86
  5. Step 5: Solve for x
    x = 1,635,188,557.86/53,625.60
  6. Step 6: Final answer
    x = 30,492.69

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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.