Finding the Fourth Proportional to 91,556.28, 137,279.16 and 44,142.12
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Solution
The fourth proportional to 91,556.28, 137,279.16 and 44,142.12 is: 66,186.54
Step by Step Solution
- Step 1: Write the proportion equation
91,556.28 : 137,279.16 = 44,142.12 : x - Step 2: Convert to fraction form
91,556.28/137,279.16 = 44,142.12/x - Step 3: Cross multiply
91,556.28x = 137,279.16 × 44,142.12 - Step 4: Simplify right side
91,556.28x = 6,059,793,154.22 - Step 5: Solve for x
x = 6,059,793,154.22/91,556.28 - Step 6: Final answer
x = 66,186.54
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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.