Finding the Fourth Proportional to 88,916.10, 122,699.64 and 48,622.02
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Solution
The fourth proportional to 88,916.10, 122,699.64 and 48,622.02 is: 67,095.88
Step by Step Solution
- Step 1: Write the proportion equation
88,916.10 : 122,699.64 = 48,622.02 : x - Step 2: Convert to fraction form
88,916.10/122,699.64 = 48,622.02/x - Step 3: Cross multiply
88,916.10x = 122,699.64 × 48,622.02 - Step 4: Simplify right side
88,916.10x = 5,965,904,350.07 - Step 5: Solve for x
x = 5,965,904,350.07/88,916.10 - Step 6: Final answer
x = 67,095.88
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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.