Home / 54,729.10-82,083.39-23,128.84

Finding the Fourth Proportional to 54,729.10, 82,083.39 and 23,128.84

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Solution

The fourth proportional to 54,729.10, 82,083.39 and 23,128.84 is: 34,688.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.10 : 82,083.39 = 23,128.84 : x
  2. Step 2: Convert to fraction form
    54,729.10/82,083.39 = 23,128.84/x
  3. Step 3: Cross multiply
    54,729.10x = 82,083.39 × 23,128.84
  4. Step 4: Simplify right side
    54,729.10x = 1,898,493,593.97
  5. Step 5: Solve for x
    x = 1,898,493,593.97/54,729.10
  6. Step 6: Final answer
    x = 34,688.92

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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.