Finding the Fourth Proportional to 71,364.70, 107,211.14 and 50,353.17
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Solution
The fourth proportional to 71,364.70, 107,211.14 and 50,353.17 is: 75,645.53
Step by Step Solution
- Step 1: Write the proportion equation
71,364.70 : 107,211.14 = 50,353.17 : x - Step 2: Convert to fraction form
71,364.70/107,211.14 = 50,353.17/x - Step 3: Cross multiply
71,364.70x = 107,211.14 × 50,353.17 - Step 4: Simplify right side
71,364.70x = 5,398,420,758.31 - Step 5: Solve for x
x = 5,398,420,758.31/71,364.70 - Step 6: Final answer
x = 75,645.53
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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.