Home / 43,403.46-65,110-13,814.44

Finding the Fourth Proportional to 43,403.46, 65,110 and 13,814.44

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Solution

The fourth proportional to 43,403.46, 65,110 and 13,814.44 is: 20,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.46 : 65,110 = 13,814.44 : x
  2. Step 2: Convert to fraction form
    43,403.46/65,110 = 13,814.44/x
  3. Step 3: Cross multiply
    43,403.46x = 65,110 × 13,814.44
  4. Step 4: Simplify right side
    43,403.46x = 899,458,188.40
  5. Step 5: Solve for x
    x = 899,458,188.40/43,403.46
  6. Step 6: Final answer
    x = 20,723.19

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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.