Finding the Fourth Proportional to 74,317.44, 111,530.84 and 49,349.19
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Solution
The fourth proportional to 74,317.44, 111,530.84 and 49,349.19 is: 74,060.09
Step by Step Solution
- Step 1: Write the proportion equation
74,317.44 : 111,530.84 = 49,349.19 : x - Step 2: Convert to fraction form
74,317.44/111,530.84 = 49,349.19/x - Step 3: Cross multiply
74,317.44x = 111,530.84 × 49,349.19 - Step 4: Simplify right side
74,317.44x = 5,503,956,367.27 - Step 5: Solve for x
x = 5,503,956,367.27/74,317.44 - Step 6: Final answer
x = 74,060.09
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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.