Home / 43,573.50-65,361.06-12,409.56

Finding the Fourth Proportional to 43,573.50, 65,361.06 and 12,409.56

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Solution

The fourth proportional to 43,573.50, 65,361.06 and 12,409.56 is: 18,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,573.50 : 65,361.06 = 12,409.56 : x
  2. Step 2: Convert to fraction form
    43,573.50/65,361.06 = 12,409.56/x
  3. Step 3: Cross multiply
    43,573.50x = 65,361.06 × 12,409.56
  4. Step 4: Simplify right side
    43,573.50x = 811,101,995.73
  5. Step 5: Solve for x
    x = 811,101,995.73/43,573.50
  6. Step 6: Final answer
    x = 18,614.57

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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.