Finding the Fourth Proportional to 68,452.14, 102,678.14 and 25,765.54
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Solution
The fourth proportional to 68,452.14, 102,678.14 and 25,765.54 is: 38,648.28
Step by Step Solution
- Step 1: Write the proportion equation
68,452.14 : 102,678.14 = 25,765.54 : x - Step 2: Convert to fraction form
68,452.14/102,678.14 = 25,765.54/x - Step 3: Cross multiply
68,452.14x = 102,678.14 × 25,765.54 - Step 4: Simplify right side
68,452.14x = 2,645,557,723.30 - Step 5: Solve for x
x = 2,645,557,723.30/68,452.14 - Step 6: Final answer
x = 38,648.28
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1.5x scale
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.