Home / 54,243.28-81,367.08-23,057.20

Finding the Fourth Proportional to 54,243.28, 81,367.08 and 23,057.20

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Solution

The fourth proportional to 54,243.28, 81,367.08 and 23,057.20 is: 34,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.28 : 81,367.08 = 23,057.20 : x
  2. Step 2: Convert to fraction form
    54,243.28/81,367.08 = 23,057.20/x
  3. Step 3: Cross multiply
    54,243.28x = 81,367.08 × 23,057.20
  4. Step 4: Simplify right side
    54,243.28x = 1,876,096,833.56
  5. Step 5: Solve for x
    x = 1,876,096,833.56/54,243.28
  6. Step 6: Final answer
    x = 34,586.72

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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.