Finding the Fourth Proportional to 80,112.97, 110,556.62 and 44,305.39
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Solution
The fourth proportional to 80,112.97, 110,556.62 and 44,305.39 is: 61,141.84
Step by Step Solution
- Step 1: Write the proportion equation
80,112.97 : 110,556.62 = 44,305.39 : x - Step 2: Convert to fraction form
80,112.97/110,556.62 = 44,305.39/x - Step 3: Cross multiply
80,112.97x = 110,556.62 × 44,305.39 - Step 4: Simplify right side
80,112.97x = 4,898,254,166.18 - Step 5: Solve for x
x = 4,898,254,166.18/80,112.97 - Step 6: Final answer
x = 61,141.84
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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.