Finding the Fourth Proportional to 80,220.11, 120,194.08 and 48,989.75
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Solution
The fourth proportional to 80,220.11, 120,194.08 and 48,989.75 is: 73,401.51
Step by Step Solution
- Step 1: Write the proportion equation
80,220.11 : 120,194.08 = 48,989.75 : x - Step 2: Convert to fraction form
80,220.11/120,194.08 = 48,989.75/x - Step 3: Cross multiply
80,220.11x = 120,194.08 × 48,989.75 - Step 4: Simplify right side
80,220.11x = 5,888,277,207.24 - Step 5: Solve for x
x = 5,888,277,207.24/80,220.11 - Step 6: Final answer
x = 73,401.51
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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.