Finding the Fourth Proportional to 68,494.95, 102,734.19 and 18,571.95
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Solution
The fourth proportional to 68,494.95, 102,734.19 and 18,571.95 is: 27,855.69
Step by Step Solution
- Step 1: Write the proportion equation
68,494.95 : 102,734.19 = 18,571.95 : x - Step 2: Convert to fraction form
68,494.95/102,734.19 = 18,571.95/x - Step 3: Cross multiply
68,494.95x = 102,734.19 × 18,571.95 - Step 4: Simplify right side
68,494.95x = 1,907,974,239.97 - Step 5: Solve for x
x = 1,907,974,239.97/68,494.95 - Step 6: Final answer
x = 27,855.69
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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.