Home / 52,960.48-79,440.68-13,517.60

Finding the Fourth Proportional to 52,960.48, 79,440.68 and 13,517.60

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Solution

The fourth proportional to 52,960.48, 79,440.68 and 13,517.60 is: 20,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,960.48 : 79,440.68 = 13,517.60 : x
  2. Step 2: Convert to fraction form
    52,960.48/79,440.68 = 13,517.60/x
  3. Step 3: Cross multiply
    52,960.48x = 79,440.68 × 13,517.60
  4. Step 4: Simplify right side
    52,960.48x = 1,073,847,335.97
  5. Step 5: Solve for x
    x = 1,073,847,335.97/52,960.48
  6. Step 6: Final answer
    x = 20,276.39

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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.