Finding the Fourth Proportional to 80,523.53, 120,799.44 and 30,607.99
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Solution
The fourth proportional to 80,523.53, 120,799.44 and 30,607.99 is: 45,917.36
Step by Step Solution
- Step 1: Write the proportion equation
80,523.53 : 120,799.44 = 30,607.99 : x - Step 2: Convert to fraction form
80,523.53/120,799.44 = 30,607.99/x - Step 3: Cross multiply
80,523.53x = 120,799.44 × 30,607.99 - Step 4: Simplify right side
80,523.53x = 3,697,427,749.53 - Step 5: Solve for x
x = 3,697,427,749.53/80,523.53 - Step 6: Final answer
x = 45,917.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.