Finding the Fourth Proportional to 82,417.49, 113,736.86 and 44,691.74
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Solution
The fourth proportional to 82,417.49, 113,736.86 and 44,691.74 is: 61,674.99
Step by Step Solution
- Step 1: Write the proportion equation
82,417.49 : 113,736.86 = 44,691.74 : x - Step 2: Convert to fraction form
82,417.49/113,736.86 = 44,691.74/x - Step 3: Cross multiply
82,417.49x = 113,736.86 × 44,691.74 - Step 4: Simplify right side
82,417.49x = 5,083,098,175.54 - Step 5: Solve for x
x = 5,083,098,175.54/82,417.49 - Step 6: Final answer
x = 61,674.99
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1.5x scale
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.