Finding the Fourth Proportional to 73,720.67, 110,393.37 and 48,723.26
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Solution
The fourth proportional to 73,720.67, 110,393.37 and 48,723.26 is: 72,960.88
Step by Step Solution
- Step 1: Write the proportion equation
73,720.67 : 110,393.37 = 48,723.26 : x - Step 2: Convert to fraction form
73,720.67/110,393.37 = 48,723.26/x - Step 3: Cross multiply
73,720.67x = 110,393.37 × 48,723.26 - Step 4: Simplify right side
73,720.67x = 5,378,724,316.82 - Step 5: Solve for x
x = 5,378,724,316.82/73,720.67 - Step 6: Final answer
x = 72,960.88
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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.