Finding the Fourth Proportional to 82,283.40, 113,551.44 and 44,557.68
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Solution
The fourth proportional to 82,283.40, 113,551.44 and 44,557.68 is: 61,489.79
Step by Step Solution
- Step 1: Write the proportion equation
82,283.40 : 113,551.44 = 44,557.68 : x - Step 2: Convert to fraction form
82,283.40/113,551.44 = 44,557.68/x - Step 3: Cross multiply
82,283.40x = 113,551.44 × 44,557.68 - Step 4: Simplify right side
82,283.40x = 5,059,588,727.06 - Step 5: Solve for x
x = 5,059,588,727.06/82,283.40 - Step 6: Final answer
x = 61,489.79
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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.