Finding the Fourth Proportional to 112,837.05, 169,005.99 and 46,074.72
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Solution
The fourth proportional to 112,837.05, 169,005.99 and 46,074.72 is: 69,010.17
Step by Step Solution
- Step 1: Write the proportion equation
112,837.05 : 169,005.99 = 46,074.72 : x - Step 2: Convert to fraction form
112,837.05/169,005.99 = 46,074.72/x - Step 3: Cross multiply
112,837.05x = 169,005.99 × 46,074.72 - Step 4: Simplify right side
112,837.05x = 7,786,904,474.13 - Step 5: Solve for x
x = 7,786,904,474.13/112,837.05 - Step 6: Final answer
x = 69,010.17
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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.