Finding the Fourth Proportional to 82,838.75, 124,277.70 and 27,434.75
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Solution
The fourth proportional to 82,838.75, 124,277.70 and 27,434.75 is: 41,158.61
Step by Step Solution
- Step 1: Write the proportion equation
82,838.75 : 124,277.70 = 27,434.75 : x - Step 2: Convert to fraction form
82,838.75/124,277.70 = 27,434.75/x - Step 3: Cross multiply
82,838.75x = 124,277.70 × 27,434.75 - Step 4: Simplify right side
82,838.75x = 3,409,527,630.08 - Step 5: Solve for x
x = 3,409,527,630.08/82,838.75 - Step 6: Final answer
x = 41,158.61
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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.