Finding the Fourth Proportional to 88,912.94, 122,699.84 and 48,626.78
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Solution
The fourth proportional to 88,912.94, 122,699.84 and 48,626.78 is: 67,104.95
Step by Step Solution
- Step 1: Write the proportion equation
88,912.94 : 122,699.84 = 48,626.78 : x - Step 2: Convert to fraction form
88,912.94/122,699.84 = 48,626.78/x - Step 3: Cross multiply
88,912.94x = 122,699.84 × 48,626.78 - Step 4: Simplify right side
88,912.94x = 5,966,498,125.72 - Step 5: Solve for x
x = 5,966,498,125.72/88,912.94 - Step 6: Final answer
x = 67,104.95
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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.