Finding the Fourth Proportional to 83,902.60, 125,951.10 and 50,660.20
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Solution
The fourth proportional to 83,902.60, 125,951.10 and 50,660.20 is: 76,048.99
Step by Step Solution
- Step 1: Write the proportion equation
83,902.60 : 125,951.10 = 50,660.20 : x - Step 2: Convert to fraction form
83,902.60/125,951.10 = 50,660.20/x - Step 3: Cross multiply
83,902.60x = 125,951.10 × 50,660.20 - Step 4: Simplify right side
83,902.60x = 6,380,707,916.22 - Step 5: Solve for x
x = 6,380,707,916.22/83,902.60 - Step 6: Final answer
x = 76,048.99
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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.