Home / 43,457.70-65,208.15-17,163.30

Finding the Fourth Proportional to 43,457.70, 65,208.15 and 17,163.30

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Solution

The fourth proportional to 43,457.70, 65,208.15 and 17,163.30 is: 25,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,457.70 : 65,208.15 = 17,163.30 : x
  2. Step 2: Convert to fraction form
    43,457.70/65,208.15 = 17,163.30/x
  3. Step 3: Cross multiply
    43,457.70x = 65,208.15 × 17,163.30
  4. Step 4: Simplify right side
    43,457.70x = 1,119,187,040.90
  5. Step 5: Solve for x
    x = 1,119,187,040.90/43,457.70
  6. Step 6: Final answer
    x = 25,753.48

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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.