Finding the Fourth Proportional to 89,208.11, 123,107.36 and 48,922.15
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Solution
The fourth proportional to 89,208.11, 123,107.36 and 48,922.15 is: 67,512.66
Step by Step Solution
- Step 1: Write the proportion equation
89,208.11 : 123,107.36 = 48,922.15 : x - Step 2: Convert to fraction form
89,208.11/123,107.36 = 48,922.15/x - Step 3: Cross multiply
89,208.11x = 123,107.36 × 48,922.15 - Step 4: Simplify right side
89,208.11x = 6,022,676,732.02 - Step 5: Solve for x
x = 6,022,676,732.02/89,208.11 - Step 6: Final answer
x = 67,512.66
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1.5x scale
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.