Finding the Fourth Proportional to 75,795.40, 104,640.42 and 52,553.80
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Solution
The fourth proportional to 75,795.40, 104,640.42 and 52,553.80 is: 72,553.90
Step by Step Solution
- Step 1: Write the proportion equation
75,795.40 : 104,640.42 = 52,553.80 : x - Step 2: Convert to fraction form
75,795.40/104,640.42 = 52,553.80/x - Step 3: Cross multiply
75,795.40x = 104,640.42 × 52,553.80 - Step 4: Simplify right side
75,795.40x = 5,499,251,704.60 - Step 5: Solve for x
x = 5,499,251,704.60/75,795.40 - Step 6: Final answer
x = 72,553.90
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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.