Finding the Fourth Proportional to 89,043.32, 122,879.98 and 48,207.88
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Solution
The fourth proportional to 89,043.32, 122,879.98 and 48,207.88 is: 66,526.98
Step by Step Solution
- Step 1: Write the proportion equation
89,043.32 : 122,879.98 = 48,207.88 : x - Step 2: Convert to fraction form
89,043.32/122,879.98 = 48,207.88/x - Step 3: Cross multiply
89,043.32x = 122,879.98 × 48,207.88 - Step 4: Simplify right side
89,043.32x = 5,923,783,330.24 - Step 5: Solve for x
x = 5,923,783,330.24/89,043.32 - Step 6: Final answer
x = 66,526.98
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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.