Home / 82,942.23-124,450.10-43,489.97

Finding the Fourth Proportional to 82,942.23, 124,450.10 and 43,489.97

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Solution

The fourth proportional to 82,942.23, 124,450.10 and 43,489.97 is: 65,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942.23 : 124,450.10 = 43,489.97 : x
  2. Step 2: Convert to fraction form
    82,942.23/124,450.10 = 43,489.97/x
  3. Step 3: Cross multiply
    82,942.23x = 124,450.10 × 43,489.97
  4. Step 4: Simplify right side
    82,942.23x = 5,412,331,115.50
  5. Step 5: Solve for x
    x = 5,412,331,115.50/82,942.23
  6. Step 6: Final answer
    x = 65,254.23

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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.