Home / 53,722.11-80,583.90-14,279.02

Finding the Fourth Proportional to 53,722.11, 80,583.90 and 14,279.02

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Solution

The fourth proportional to 53,722.11, 80,583.90 and 14,279.02 is: 21,418.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,722.11 : 80,583.90 = 14,279.02 : x
  2. Step 2: Convert to fraction form
    53,722.11/80,583.90 = 14,279.02/x
  3. Step 3: Cross multiply
    53,722.11x = 80,583.90 × 14,279.02
  4. Step 4: Simplify right side
    53,722.11x = 1,150,659,119.78
  5. Step 5: Solve for x
    x = 1,150,659,119.78/53,722.11
  6. Step 6: Final answer
    x = 21,418.73

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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.