Home / 43,361.91-65,054.06-13,375.47

Finding the Fourth Proportional to 43,361.91, 65,054.06 and 13,375.47

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Solution

The fourth proportional to 43,361.91, 65,054.06 and 13,375.47 is: 20,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,361.91 : 65,054.06 = 13,375.47 : x
  2. Step 2: Convert to fraction form
    43,361.91/65,054.06 = 13,375.47/x
  3. Step 3: Cross multiply
    43,361.91x = 65,054.06 × 13,375.47
  4. Step 4: Simplify right side
    43,361.91x = 870,128,627.91
  5. Step 5: Solve for x
    x = 870,128,627.91/43,361.91
  6. Step 6: Final answer
    x = 20,066.66

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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.