Finding the Fourth Proportional to 73,599.52, 110,372.49 and 31,482.68
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Solution
The fourth proportional to 73,599.52, 110,372.49 and 31,482.68 is: 47,212.55
Step by Step Solution
- Step 1: Write the proportion equation
73,599.52 : 110,372.49 = 31,482.68 : x - Step 2: Convert to fraction form
73,599.52/110,372.49 = 31,482.68/x - Step 3: Cross multiply
73,599.52x = 110,372.49 × 31,482.68 - Step 4: Simplify right side
73,599.52x = 3,474,821,074.20 - Step 5: Solve for x
x = 3,474,821,074.20/73,599.52 - Step 6: Final answer
x = 47,212.55
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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.