Finding the Fourth Proportional to 82,884.42, 114,350.47 and 54,220.41
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Solution
The fourth proportional to 82,884.42, 114,350.47 and 54,220.41 is: 74,804.52
Step by Step Solution
- Step 1: Write the proportion equation
82,884.42 : 114,350.47 = 54,220.41 : x - Step 2: Convert to fraction form
82,884.42/114,350.47 = 54,220.41/x - Step 3: Cross multiply
82,884.42x = 114,350.47 × 54,220.41 - Step 4: Simplify right side
82,884.42x = 6,200,129,231.54 - Step 5: Solve for x
x = 6,200,129,231.54/82,884.42 - Step 6: Final answer
x = 74,804.52
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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.