Finding the Fourth Proportional to 75,926.67, 113,855.99 and 29,163.75
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Solution
The fourth proportional to 75,926.67, 113,855.99 and 29,163.75 is: 43,732.56
Step by Step Solution
- Step 1: Write the proportion equation
75,926.67 : 113,855.99 = 29,163.75 : x - Step 2: Convert to fraction form
75,926.67/113,855.99 = 29,163.75/x - Step 3: Cross multiply
75,926.67x = 113,855.99 × 29,163.75 - Step 4: Simplify right side
75,926.67x = 3,320,467,482.54 - Step 5: Solve for x
x = 3,320,467,482.54/75,926.67 - Step 6: Final answer
x = 43,732.56
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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.