Finding the Fourth Proportional to 77,622.44, 116,478.84 and 32,640.55
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Solution
The fourth proportional to 77,622.44, 116,478.84 and 32,640.55 is: 48,979.82
Step by Step Solution
- Step 1: Write the proportion equation
77,622.44 : 116,478.84 = 32,640.55 : x - Step 2: Convert to fraction form
77,622.44/116,478.84 = 32,640.55/x - Step 3: Cross multiply
77,622.44x = 116,478.84 × 32,640.55 - Step 4: Simplify right side
77,622.44x = 3,801,933,400.96 - Step 5: Solve for x
x = 3,801,933,400.96/77,622.44 - Step 6: Final answer
x = 48,979.82
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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.