Finding the Fourth Proportional to 82,161.95, 113,376.56 and 45,860.09
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Solution
The fourth proportional to 82,161.95, 113,376.56 and 45,860.09 is: 63,283.05
Step by Step Solution
- Step 1: Write the proportion equation
82,161.95 : 113,376.56 = 45,860.09 : x - Step 2: Convert to fraction form
82,161.95/113,376.56 = 45,860.09/x - Step 3: Cross multiply
82,161.95x = 113,376.56 × 45,860.09 - Step 4: Simplify right side
82,161.95x = 5,199,458,449.31 - Step 5: Solve for x
x = 5,199,458,449.31/82,161.95 - Step 6: Final answer
x = 63,283.05
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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.