Finding the Fourth Proportional to 88,521.36, 122,158.24 and 48,236.80
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Solution
The fourth proportional to 88,521.36, 122,158.24 and 48,236.80 is: 66,566.11
Step by Step Solution
- Step 1: Write the proportion equation
88,521.36 : 122,158.24 = 48,236.80 : x - Step 2: Convert to fraction form
88,521.36/122,158.24 = 48,236.80/x - Step 3: Cross multiply
88,521.36x = 122,158.24 × 48,236.80 - Step 4: Simplify right side
88,521.36x = 5,892,522,591.23 - Step 5: Solve for x
x = 5,892,522,591.23/88,521.36 - Step 6: Final answer
x = 66,566.11
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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.