Finding the Fourth Proportional to 82,913.98, 124,388.67 and 26,757.28
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Solution
The fourth proportional to 82,913.98, 124,388.67 and 26,757.28 is: 40,141.63
Step by Step Solution
- Step 1: Write the proportion equation
82,913.98 : 124,388.67 = 26,757.28 : x - Step 2: Convert to fraction form
82,913.98/124,388.67 = 26,757.28/x - Step 3: Cross multiply
82,913.98x = 124,388.67 × 26,757.28 - Step 4: Simplify right side
82,913.98x = 3,328,302,472.02 - Step 5: Solve for x
x = 3,328,302,472.02/82,913.98 - Step 6: Final answer
x = 40,141.63
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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.