Home / 82,903.82-124,379.94-26,742.68

Finding the Fourth Proportional to 82,903.82, 124,379.94 and 26,742.68

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Solution

The fourth proportional to 82,903.82, 124,379.94 and 26,742.68 is: 40,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,903.82 : 124,379.94 = 26,742.68 : x
  2. Step 2: Convert to fraction form
    82,903.82/124,379.94 = 26,742.68/x
  3. Step 3: Cross multiply
    82,903.82x = 124,379.94 × 26,742.68
  4. Step 4: Simplify right side
    82,903.82x = 3,326,252,933.84
  5. Step 5: Solve for x
    x = 3,326,252,933.84/82,903.82
  6. Step 6: Final answer
    x = 40,121.83

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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.