Finding the Fourth Proportional to 111,070.14, 166,454.21 and 46,974.99
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Solution
The fourth proportional to 111,070.14, 166,454.21 and 46,974.99 is: 70,398.63
Step by Step Solution
- Step 1: Write the proportion equation
111,070.14 : 166,454.21 = 46,974.99 : x - Step 2: Convert to fraction form
111,070.14/166,454.21 = 46,974.99/x - Step 3: Cross multiply
111,070.14x = 166,454.21 × 46,974.99 - Step 4: Simplify right side
111,070.14x = 7,819,185,591.85 - Step 5: Solve for x
x = 7,819,185,591.85/111,070.14 - Step 6: Final answer
x = 70,398.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.