Home / 43,722.72-65,593.37-14,138.30

Finding the Fourth Proportional to 43,722.72, 65,593.37 and 14,138.30

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Solution

The fourth proportional to 43,722.72, 65,593.37 and 14,138.30 is: 21,210.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,722.72 : 65,593.37 = 14,138.30 : x
  2. Step 2: Convert to fraction form
    43,722.72/65,593.37 = 14,138.30/x
  3. Step 3: Cross multiply
    43,722.72x = 65,593.37 × 14,138.30
  4. Step 4: Simplify right side
    43,722.72x = 927,378,942.40
  5. Step 5: Solve for x
    x = 927,378,942.40/43,722.72
  6. Step 6: Final answer
    x = 21,210.46

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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.