Finding the Fourth Proportional to 80,353.19, 110,879.94 and 44,540.15
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Solution
The fourth proportional to 80,353.19, 110,879.94 and 44,540.15 is: 61,461.28
Step by Step Solution
- Step 1: Write the proportion equation
80,353.19 : 110,879.94 = 44,540.15 : x - Step 2: Convert to fraction form
80,353.19/110,879.94 = 44,540.15/x - Step 3: Cross multiply
80,353.19x = 110,879.94 × 44,540.15 - Step 4: Simplify right side
80,353.19x = 4,938,609,548.14 - Step 5: Solve for x
x = 4,938,609,548.14/80,353.19 - Step 6: Final answer
x = 61,461.28
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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.