Home / 43,647.75-65,475.41-12,057.84

Finding the Fourth Proportional to 43,647.75, 65,475.41 and 12,057.84

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Solution

The fourth proportional to 43,647.75, 65,475.41 and 12,057.84 is: 18,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647.75 : 65,475.41 = 12,057.84 : x
  2. Step 2: Convert to fraction form
    43,647.75/65,475.41 = 12,057.84/x
  3. Step 3: Cross multiply
    43,647.75x = 65,475.41 × 12,057.84
  4. Step 4: Simplify right side
    43,647.75x = 789,491,957.43
  5. Step 5: Solve for x
    x = 789,491,957.43/43,647.75
  6. Step 6: Final answer
    x = 18,087.80

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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.