Finding the Fourth Proportional to 73,211.44, 109,702.26 and 43,613.08
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Solution
The fourth proportional to 73,211.44, 109,702.26 and 43,613.08 is: 65,351.17
Step by Step Solution
- Step 1: Write the proportion equation
73,211.44 : 109,702.26 = 43,613.08 : x - Step 2: Convert to fraction form
73,211.44/109,702.26 = 43,613.08/x - Step 3: Cross multiply
73,211.44x = 109,702.26 × 43,613.08 - Step 4: Simplify right side
73,211.44x = 4,784,453,441.56 - Step 5: Solve for x
x = 4,784,453,441.56/73,211.44 - Step 6: Final answer
x = 65,351.17
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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.