Finding the Fourth Proportional to 88,729.68, 122,446.61 and 48,442.98
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Solution
The fourth proportional to 88,729.68, 122,446.61 and 48,442.98 is: 66,851.12
Step by Step Solution
- Step 1: Write the proportion equation
88,729.68 : 122,446.61 = 48,442.98 : x - Step 2: Convert to fraction form
88,729.68/122,446.61 = 48,442.98/x - Step 3: Cross multiply
88,729.68x = 122,446.61 × 48,442.98 - Step 4: Simplify right side
88,729.68x = 5,931,678,679.30 - Step 5: Solve for x
x = 5,931,678,679.30/88,729.68 - Step 6: Final answer
x = 66,851.12
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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.