Finding the Fourth Proportional to 80,369.24, 110,912.26 and 44,557.12
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Solution
The fourth proportional to 80,369.24, 110,912.26 and 44,557.12 is: 61,490.33
Step by Step Solution
- Step 1: Write the proportion equation
80,369.24 : 110,912.26 = 44,557.12 : x - Step 2: Convert to fraction form
80,369.24/110,912.26 = 44,557.12/x - Step 3: Cross multiply
80,369.24x = 110,912.26 × 44,557.12 - Step 4: Simplify right side
80,369.24x = 4,941,930,878.29 - Step 5: Solve for x
x = 4,941,930,878.29/80,369.24 - Step 6: Final answer
x = 61,490.33
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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.