Finding the Fourth Proportional to 113,992.65, 170,998.70 and 29,763.99
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Solution
The fourth proportional to 113,992.65, 170,998.70 and 29,763.99 is: 44,648.52
Step by Step Solution
- Step 1: Write the proportion equation
113,992.65 : 170,998.70 = 29,763.99 : x - Step 2: Convert to fraction form
113,992.65/170,998.70 = 29,763.99/x - Step 3: Cross multiply
113,992.65x = 170,998.70 × 29,763.99 - Step 4: Simplify right side
113,992.65x = 5,089,603,447.99 - Step 5: Solve for x
x = 5,089,603,447.99/113,992.65 - Step 6: Final answer
x = 44,648.52
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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.