Home / 57,016.68-85,516.87-19,576.05

Finding the Fourth Proportional to 57,016.68, 85,516.87 and 19,576.05

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Solution

The fourth proportional to 57,016.68, 85,516.87 and 19,576.05 is: 29,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.68 : 85,516.87 = 19,576.05 : x
  2. Step 2: Convert to fraction form
    57,016.68/85,516.87 = 19,576.05/x
  3. Step 3: Cross multiply
    57,016.68x = 85,516.87 × 19,576.05
  4. Step 4: Simplify right side
    57,016.68x = 1,674,082,153.34
  5. Step 5: Solve for x
    x = 1,674,082,153.34/57,016.68
  6. Step 6: Final answer
    x = 29,361.27

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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.