Finding the Fourth Proportional to 94,431.44, 141,734.64 and 47,717.12
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Solution
The fourth proportional to 94,431.44, 141,734.64 and 47,717.12 is: 71,619.88
Step by Step Solution
- Step 1: Write the proportion equation
94,431.44 : 141,734.64 = 47,717.12 : x - Step 2: Convert to fraction form
94,431.44/141,734.64 = 47,717.12/x - Step 3: Cross multiply
94,431.44x = 141,734.64 × 47,717.12 - Step 4: Simplify right side
94,431.44x = 6,763,168,825.04 - Step 5: Solve for x
x = 6,763,168,825.04/94,431.44 - Step 6: Final answer
x = 71,619.88
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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.