Home / 57,096.07-85,649.87-19,651.21

Finding the Fourth Proportional to 57,096.07, 85,649.87 and 19,651.21

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Solution

The fourth proportional to 57,096.07, 85,649.87 and 19,651.21 is: 29,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096.07 : 85,649.87 = 19,651.21 : x
  2. Step 2: Convert to fraction form
    57,096.07/85,649.87 = 19,651.21/x
  3. Step 3: Cross multiply
    57,096.07x = 85,649.87 × 19,651.21
  4. Step 4: Simplify right side
    57,096.07x = 1,683,123,849.96
  5. Step 5: Solve for x
    x = 1,683,123,849.96/57,096.07
  6. Step 6: Final answer
    x = 29,478.80

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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.