Finding the Fourth Proportional to 82,390.62, 113,696.01 and 44,664.06
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Solution
The fourth proportional to 82,390.62, 113,696.01 and 44,664.06 is: 61,634.75
Step by Step Solution
- Step 1: Write the proportion equation
82,390.62 : 113,696.01 = 44,664.06 : x - Step 2: Convert to fraction form
82,390.62/113,696.01 = 44,664.06/x - Step 3: Cross multiply
82,390.62x = 113,696.01 × 44,664.06 - Step 4: Simplify right side
82,390.62x = 5,078,125,412.40 - Step 5: Solve for x
x = 5,078,125,412.40/82,390.62 - Step 6: Final answer
x = 61,634.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.