Finding the Fourth Proportional to 68,854.26, 103,286.07 and 22,104.30
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Solution
The fourth proportional to 68,854.26, 103,286.07 and 22,104.30 is: 33,157.95
Step by Step Solution
- Step 1: Write the proportion equation
68,854.26 : 103,286.07 = 22,104.30 : x - Step 2: Convert to fraction form
68,854.26/103,286.07 = 22,104.30/x - Step 3: Cross multiply
68,854.26x = 103,286.07 × 22,104.30 - Step 4: Simplify right side
68,854.26x = 2,283,066,277.10 - Step 5: Solve for x
x = 2,283,066,277.10/68,854.26 - Step 6: Final answer
x = 33,157.95
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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.