Finding the Fourth Proportional to 111,465.48, 153,894.42 and 69,069
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Solution
The fourth proportional to 111,465.48, 153,894.42 and 69,069 is: 95,359.87
Step by Step Solution
- Step 1: Write the proportion equation
111,465.48 : 153,894.42 = 69,069 : x - Step 2: Convert to fraction form
111,465.48/153,894.42 = 69,069/x - Step 3: Cross multiply
111,465.48x = 153,894.42 × 69,069 - Step 4: Simplify right side
111,465.48x = 10,629,333,694.98 - Step 5: Solve for x
x = 10,629,333,694.98/111,465.48 - Step 6: Final answer
x = 95,359.87
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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.