Finding the Fourth Proportional to 80,431.18, 110,995.11 and 44,621.48
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Solution
The fourth proportional to 80,431.18, 110,995.11 and 44,621.48 is: 61,577.69
Step by Step Solution
- Step 1: Write the proportion equation
80,431.18 : 110,995.11 = 44,621.48 : x - Step 2: Convert to fraction form
80,431.18/110,995.11 = 44,621.48/x - Step 3: Cross multiply
80,431.18x = 110,995.11 × 44,621.48 - Step 4: Simplify right side
80,431.18x = 4,952,766,358.45 - Step 5: Solve for x
x = 4,952,766,358.45/80,431.18 - Step 6: Final answer
x = 61,577.69
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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.