Finding the Fourth Proportional to 71,816.18, 107,716.10 and 27,441.95
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Solution
The fourth proportional to 71,816.18, 107,716.10 and 27,441.95 is: 41,159.80
Step by Step Solution
- Step 1: Write the proportion equation
71,816.18 : 107,716.10 = 27,441.95 : x - Step 2: Convert to fraction form
71,816.18/107,716.10 = 27,441.95/x - Step 3: Cross multiply
71,816.18x = 107,716.10 × 27,441.95 - Step 4: Simplify right side
71,816.18x = 2,955,939,154.60 - Step 5: Solve for x
x = 2,955,939,154.60/71,816.18 - Step 6: Final answer
x = 41,159.80
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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.