Finding the Fourth Proportional to 88,497.97, 122,126.72 and 48,211.64
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Solution
The fourth proportional to 88,497.97, 122,126.72 and 48,211.64 is: 66,531.80
Step by Step Solution
- Step 1: Write the proportion equation
88,497.97 : 122,126.72 = 48,211.64 : x - Step 2: Convert to fraction form
88,497.97/122,126.72 = 48,211.64/x - Step 3: Cross multiply
88,497.97x = 122,126.72 × 48,211.64 - Step 4: Simplify right side
88,497.97x = 5,887,929,459.02 - Step 5: Solve for x
x = 5,887,929,459.02/88,497.97 - Step 6: Final answer
x = 66,531.80
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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.