Finding the Fourth Proportional to 89,023.43, 122,852.37 and 48,739.80
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Solution
The fourth proportional to 89,023.43, 122,852.37 and 48,739.80 is: 67,260.95
Step by Step Solution
- Step 1: Write the proportion equation
89,023.43 : 122,852.37 = 48,739.80 : x - Step 2: Convert to fraction form
89,023.43/122,852.37 = 48,739.80/x - Step 3: Cross multiply
89,023.43x = 122,852.37 × 48,739.80 - Step 4: Simplify right side
89,023.43x = 5,987,800,104.19 - Step 5: Solve for x
x = 5,987,800,104.19/89,023.43 - Step 6: Final answer
x = 67,260.95
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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.