Home / 55,160.70-82,608.81-30,163.26

Finding the Fourth Proportional to 55,160.70, 82,608.81 and 30,163.26

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Solution

The fourth proportional to 55,160.70, 82,608.81 and 30,163.26 is: 45,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,160.70 : 82,608.81 = 30,163.26 : x
  2. Step 2: Convert to fraction form
    55,160.70/82,608.81 = 30,163.26/x
  3. Step 3: Cross multiply
    55,160.70x = 82,608.81 × 30,163.26
  4. Step 4: Simplify right side
    55,160.70x = 2,491,751,014.32
  5. Step 5: Solve for x
    x = 2,491,751,014.32/55,160.70
  6. Step 6: Final answer
    x = 45,172.58

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1.5x scale

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.