Finding the Fourth Proportional to 73,613.76, 101,609.92 and 41,803.84
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Solution
The fourth proportional to 73,613.76, 101,609.92 and 41,803.84 is: 57,702.32
Step by Step Solution
- Step 1: Write the proportion equation
73,613.76 : 101,609.92 = 41,803.84 : x - Step 2: Convert to fraction form
73,613.76/101,609.92 = 41,803.84/x - Step 3: Cross multiply
73,613.76x = 101,609.92 × 41,803.84 - Step 4: Simplify right side
73,613.76x = 4,247,684,838.09 - Step 5: Solve for x
x = 4,247,684,838.09/73,613.76 - Step 6: Final answer
x = 57,702.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.