Finding the Fourth Proportional to 80,312.80, 110,832.60 and 44,503.24
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Solution
The fourth proportional to 80,312.80, 110,832.60 and 44,503.24 is: 61,414.99
Step by Step Solution
- Step 1: Write the proportion equation
80,312.80 : 110,832.60 = 44,503.24 : x - Step 2: Convert to fraction form
80,312.80/110,832.60 = 44,503.24/x - Step 3: Cross multiply
80,312.80x = 110,832.60 × 44,503.24 - Step 4: Simplify right side
80,312.80x = 4,932,409,797.62 - Step 5: Solve for x
x = 4,932,409,797.62/80,312.80 - Step 6: Final answer
x = 61,414.99
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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.