Finding the Fourth Proportional to 88,912.08, 122,694.13 and 48,618.02
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Solution
The fourth proportional to 88,912.08, 122,694.13 and 48,618.02 is: 67,090.38
Step by Step Solution
- Step 1: Write the proportion equation
88,912.08 : 122,694.13 = 48,618.02 : x - Step 2: Convert to fraction form
88,912.08/122,694.13 = 48,618.02/x - Step 3: Cross multiply
88,912.08x = 122,694.13 × 48,618.02 - Step 4: Simplify right side
88,912.08x = 5,965,145,666.22 - Step 5: Solve for x
x = 5,965,145,666.22/88,912.08 - Step 6: Final answer
x = 67,090.38
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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.