Finding the Fourth Proportional to 113,448.95, 170,230.84 and 46,936.82
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Solution
The fourth proportional to 113,448.95, 170,230.84 and 46,936.82 is: 70,428.98
Step by Step Solution
- Step 1: Write the proportion equation
113,448.95 : 170,230.84 = 46,936.82 : x - Step 2: Convert to fraction form
113,448.95/170,230.84 = 46,936.82/x - Step 3: Cross multiply
113,448.95x = 170,230.84 × 46,936.82 - Step 4: Simplify right side
113,448.95x = 7,990,093,778.23 - Step 5: Solve for x
x = 7,990,093,778.23/113,448.95 - Step 6: Final answer
x = 70,428.98
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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.