Finding the Fourth Proportional to 86,504.73, 129,710.84 and 44,367.62
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Solution
The fourth proportional to 86,504.73, 129,710.84 and 44,367.62 is: 66,527.70
Step by Step Solution
- Step 1: Write the proportion equation
86,504.73 : 129,710.84 = 44,367.62 : x - Step 2: Convert to fraction form
86,504.73/129,710.84 = 44,367.62/x - Step 3: Cross multiply
86,504.73x = 129,710.84 × 44,367.62 - Step 4: Simplify right side
86,504.73x = 5,754,960,388.61 - Step 5: Solve for x
x = 5,754,960,388.61/86,504.73 - Step 6: Final answer
x = 66,527.70
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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.