Finding the Fourth Proportional to 80,043.18, 110,450.19 and 44,231.06
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Solution
The fourth proportional to 80,043.18, 110,450.19 and 44,231.06 is: 61,033.66
Step by Step Solution
- Step 1: Write the proportion equation
80,043.18 : 110,450.19 = 44,231.06 : x - Step 2: Convert to fraction form
80,043.18/110,450.19 = 44,231.06/x - Step 3: Cross multiply
80,043.18x = 110,450.19 × 44,231.06 - Step 4: Simplify right side
80,043.18x = 4,885,328,645.93 - Step 5: Solve for x
x = 4,885,328,645.93/80,043.18 - Step 6: Final answer
x = 61,033.66
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1.5x scale
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.