Finding the Fourth Proportional to 88,651.88, 122,339.88 and 48,366.48
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Solution
The fourth proportional to 88,651.88, 122,339.88 and 48,366.48 is: 66,745.90
Step by Step Solution
- Step 1: Write the proportion equation
88,651.88 : 122,339.88 = 48,366.48 : x - Step 2: Convert to fraction form
88,651.88/122,339.88 = 48,366.48/x - Step 3: Cross multiply
88,651.88x = 122,339.88 × 48,366.48 - Step 4: Simplify right side
88,651.88x = 5,917,149,359.22 - Step 5: Solve for x
x = 5,917,149,359.22/88,651.88 - Step 6: Final answer
x = 66,745.90
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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.