Finding the Fourth Proportional to 74,542.09, 102,868.09 and 41,008.09
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Solution
The fourth proportional to 74,542.09, 102,868.09 and 41,008.09 is: 56,591.17
Step by Step Solution
- Step 1: Write the proportion equation
74,542.09 : 102,868.09 = 41,008.09 : x - Step 2: Convert to fraction form
74,542.09/102,868.09 = 41,008.09/x - Step 3: Cross multiply
74,542.09x = 102,868.09 × 41,008.09 - Step 4: Simplify right side
74,542.09x = 4,218,423,892.85 - Step 5: Solve for x
x = 4,218,423,892.85/74,542.09 - Step 6: Final answer
x = 56,591.17
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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.