Finding the Fourth Proportional to 112,251.36, 154,906.56 and 61,950
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Solution
The fourth proportional to 112,251.36, 154,906.56 and 61,950 is: 85,490.83
Step by Step Solution
- Step 1: Write the proportion equation
112,251.36 : 154,906.56 = 61,950 : x - Step 2: Convert to fraction form
112,251.36/154,906.56 = 61,950/x - Step 3: Cross multiply
112,251.36x = 154,906.56 × 61,950 - Step 4: Simplify right side
112,251.36x = 9,596,461,392 - Step 5: Solve for x
x = 9,596,461,392/112,251.36 - Step 6: Final answer
x = 85,490.83
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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.