Finding the Fourth Proportional to 71,278.44, 107,000.42 and 41,717.48
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Solution
The fourth proportional to 71,278.44, 107,000.42 and 41,717.48 is: 62,624.66
Step by Step Solution
- Step 1: Write the proportion equation
71,278.44 : 107,000.42 = 41,717.48 : x - Step 2: Convert to fraction form
71,278.44/107,000.42 = 41,717.48/x - Step 3: Cross multiply
71,278.44x = 107,000.42 × 41,717.48 - Step 4: Simplify right side
71,278.44x = 4,463,787,881.34 - Step 5: Solve for x
x = 4,463,787,881.34/71,278.44 - Step 6: Final answer
x = 62,624.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.