Finding the Fourth Proportional to 75,126.68, 103,674.83 and 41,137.31
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Solution
The fourth proportional to 75,126.68, 103,674.83 and 41,137.31 is: 56,769.49
Step by Step Solution
- Step 1: Write the proportion equation
75,126.68 : 103,674.83 = 41,137.31 : x - Step 2: Convert to fraction form
75,126.68/103,674.83 = 41,137.31/x - Step 3: Cross multiply
75,126.68x = 103,674.83 × 41,137.31 - Step 4: Simplify right side
75,126.68x = 4,264,902,896.85 - Step 5: Solve for x
x = 4,264,902,896.85/75,126.68 - Step 6: Final answer
x = 56,769.49
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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.