Finding the Fourth Proportional to 99,093.93, 136,730.48 and 58,843.41
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Solution
The fourth proportional to 99,093.93, 136,730.48 and 58,843.41 is: 81,192.54
Step by Step Solution
- Step 1: Write the proportion equation
99,093.93 : 136,730.48 = 58,843.41 : x - Step 2: Convert to fraction form
99,093.93/136,730.48 = 58,843.41/x - Step 3: Cross multiply
99,093.93x = 136,730.48 × 58,843.41 - Step 4: Simplify right side
99,093.93x = 8,045,687,399.92 - Step 5: Solve for x
x = 8,045,687,399.92/99,093.93 - Step 6: Final answer
x = 81,192.54
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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.