Home / 43,568.25-65,354.79-12,401.07

Finding the Fourth Proportional to 43,568.25, 65,354.79 and 12,401.07

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Solution

The fourth proportional to 43,568.25, 65,354.79 and 12,401.07 is: 18,602.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.25 : 65,354.79 = 12,401.07 : x
  2. Step 2: Convert to fraction form
    43,568.25/65,354.79 = 12,401.07/x
  3. Step 3: Cross multiply
    43,568.25x = 65,354.79 × 12,401.07
  4. Step 4: Simplify right side
    43,568.25x = 810,469,325.63
  5. Step 5: Solve for x
    x = 810,469,325.63/43,568.25
  6. Step 6: Final answer
    x = 18,602.29

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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.