Finding the Fourth Proportional to 75,874.09, 104,706.61 and 41,881.96
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Solution
The fourth proportional to 75,874.09, 104,706.61 and 41,881.96 is: 57,797.31
Step by Step Solution
- Step 1: Write the proportion equation
75,874.09 : 104,706.61 = 41,881.96 : x - Step 2: Convert to fraction form
75,874.09/104,706.61 = 41,881.96/x - Step 3: Cross multiply
75,874.09x = 104,706.61 × 41,881.96 - Step 4: Simplify right side
75,874.09x = 4,385,318,254.62 - Step 5: Solve for x
x = 4,385,318,254.62/75,874.09 - Step 6: Final answer
x = 57,797.31
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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.