Finding the Fourth Proportional to 73,531.40, 110,352.74 and 53,861.08
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Solution
The fourth proportional to 73,531.40, 110,352.74 and 53,861.08 is: 80,832.38
Step by Step Solution
- Step 1: Write the proportion equation
73,531.40 : 110,352.74 = 53,861.08 : x - Step 2: Convert to fraction form
73,531.40/110,352.74 = 53,861.08/x - Step 3: Cross multiply
73,531.40x = 110,352.74 × 53,861.08 - Step 4: Simplify right side
73,531.40x = 5,943,717,757.36 - Step 5: Solve for x
x = 5,943,717,757.36/73,531.40 - Step 6: Final answer
x = 80,832.38
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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.