Finding the Fourth Proportional to 88,729.62, 122,445.94 and 48,443.26
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Solution
The fourth proportional to 88,729.62, 122,445.94 and 48,443.26 is: 66,851.18
Step by Step Solution
- Step 1: Write the proportion equation
88,729.62 : 122,445.94 = 48,443.26 : x - Step 2: Convert to fraction form
88,729.62/122,445.94 = 48,443.26/x - Step 3: Cross multiply
88,729.62x = 122,445.94 × 48,443.26 - Step 4: Simplify right side
88,729.62x = 5,931,679,895.13 - Step 5: Solve for x
x = 5,931,679,895.13/88,729.62 - Step 6: Final answer
x = 66,851.18
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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.