Finding the Fourth Proportional to 82,121.04, 113,326.80 and 46,310.79
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Solution
The fourth proportional to 82,121.04, 113,326.80 and 46,310.79 is: 63,908.75
Step by Step Solution
- Step 1: Write the proportion equation
82,121.04 : 113,326.80 = 46,310.79 : x - Step 2: Convert to fraction form
82,121.04/113,326.80 = 46,310.79/x - Step 3: Cross multiply
82,121.04x = 113,326.80 × 46,310.79 - Step 4: Simplify right side
82,121.04x = 5,248,253,250.02 - Step 5: Solve for x
x = 5,248,253,250.02/82,121.04 - Step 6: Final answer
x = 63,908.75
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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.