Finding the Fourth Proportional to 68,087.87, 102,025.05 and 43,075.09
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Solution
The fourth proportional to 68,087.87, 102,025.05 and 43,075.09 is: 64,545.09
Step by Step Solution
- Step 1: Write the proportion equation
68,087.87 : 102,025.05 = 43,075.09 : x - Step 2: Convert to fraction form
68,087.87/102,025.05 = 43,075.09/x - Step 3: Cross multiply
68,087.87x = 102,025.05 × 43,075.09 - Step 4: Simplify right side
68,087.87x = 4,394,737,639.78 - Step 5: Solve for x
x = 4,394,737,639.78/68,087.87 - Step 6: Final answer
x = 64,545.09
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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.