Finding the Fourth Proportional to 80,035.99, 120,053.97 and 27,445.93
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Solution
The fourth proportional to 80,035.99, 120,053.97 and 27,445.93 is: 41,168.89
Step by Step Solution
- Step 1: Write the proportion equation
80,035.99 : 120,053.97 = 27,445.93 : x - Step 2: Convert to fraction form
80,035.99/120,053.97 = 27,445.93/x - Step 3: Cross multiply
80,035.99x = 120,053.97 × 27,445.93 - Step 4: Simplify right side
80,035.99x = 3,294,992,856.84 - Step 5: Solve for x
x = 3,294,992,856.84/80,035.99 - Step 6: Final answer
x = 41,168.89
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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.