Finding the Fourth Proportional to 82,832.66, 124,268.86 and 26,678.06
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Solution
The fourth proportional to 82,832.66, 124,268.86 and 26,678.06 is: 40,023.49
Step by Step Solution
- Step 1: Write the proportion equation
82,832.66 : 124,268.86 = 26,678.06 : x - Step 2: Convert to fraction form
82,832.66/124,268.86 = 26,678.06/x - Step 3: Cross multiply
82,832.66x = 124,268.86 × 26,678.06 - Step 4: Simplify right side
82,832.66x = 3,315,252,103.21 - Step 5: Solve for x
x = 3,315,252,103.21/82,832.66 - Step 6: Final answer
x = 40,023.49
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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.