Home / 117,652.50-162,360.45-67,361.22

Finding the Fourth Proportional to 117,652.50, 162,360.45 and 67,361.22

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Solution

The fourth proportional to 117,652.50, 162,360.45 and 67,361.22 is: 92,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,652.50 : 162,360.45 = 67,361.22 : x
  2. Step 2: Convert to fraction form
    117,652.50/162,360.45 = 67,361.22/x
  3. Step 3: Cross multiply
    117,652.50x = 162,360.45 × 67,361.22
  4. Step 4: Simplify right side
    117,652.50x = 10,936,797,991.75
  5. Step 5: Solve for x
    x = 10,936,797,991.75/117,652.50
  6. Step 6: Final answer
    x = 92,958.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.