Finding the Fourth Proportional to 88,521.98, 122,158.74 and 48,236.09
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Solution
The fourth proportional to 88,521.98, 122,158.74 and 48,236.09 is: 66,564.93
Step by Step Solution
- Step 1: Write the proportion equation
88,521.98 : 122,158.74 = 48,236.09 : x - Step 2: Convert to fraction form
88,521.98/122,158.74 = 48,236.09/x - Step 3: Cross multiply
88,521.98x = 122,158.74 × 48,236.09 - Step 4: Simplify right side
88,521.98x = 5,892,459,366.13 - Step 5: Solve for x
x = 5,892,459,366.13/88,521.98 - Step 6: Final answer
x = 66,564.93
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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.