Finding the Fourth Proportional to 90,234.14, 124,524.21 and 49,951.62
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Solution
The fourth proportional to 90,234.14, 124,524.21 and 49,951.62 is: 68,933.85
Step by Step Solution
- Step 1: Write the proportion equation
90,234.14 : 124,524.21 = 49,951.62 : x - Step 2: Convert to fraction form
90,234.14/124,524.21 = 49,951.62/x - Step 3: Cross multiply
90,234.14x = 124,524.21 × 49,951.62 - Step 4: Simplify right side
90,234.14x = 6,220,186,330.03 - Step 5: Solve for x
x = 6,220,186,330.03/90,234.14 - Step 6: Final answer
x = 68,933.85
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1.5x scale
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.