Finding the Fourth Proportional to 88,160.42, 121,662.26 and 47,874.53
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Solution
The fourth proportional to 88,160.42, 121,662.26 and 47,874.53 is: 66,067.32
Step by Step Solution
- Step 1: Write the proportion equation
88,160.42 : 121,662.26 = 47,874.53 : x - Step 2: Convert to fraction form
88,160.42/121,662.26 = 47,874.53/x - Step 3: Cross multiply
88,160.42x = 121,662.26 × 47,874.53 - Step 4: Simplify right side
88,160.42x = 5,824,522,668.55 - Step 5: Solve for x
x = 5,824,522,668.55/88,160.42 - Step 6: Final answer
x = 66,067.32
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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.