Finding the Fourth Proportional to 82,822.75, 124,253.70 and 27,418.75
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Solution
The fourth proportional to 82,822.75, 124,253.70 and 27,418.75 is: 41,134.61
Step by Step Solution
- Step 1: Write the proportion equation
82,822.75 : 124,253.70 = 27,418.75 : x - Step 2: Convert to fraction form
82,822.75/124,253.70 = 27,418.75/x - Step 3: Cross multiply
82,822.75x = 124,253.70 × 27,418.75 - Step 4: Simplify right side
82,822.75x = 3,406,881,136.88 - Step 5: Solve for x
x = 3,406,881,136.88/82,822.75 - Step 6: Final answer
x = 41,134.61
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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.