Finding the Fourth Proportional to 80,586.66, 120,879.99 and 25,182.66
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Solution
The fourth proportional to 80,586.66, 120,879.99 and 25,182.66 is: 37,773.99
Step by Step Solution
- Step 1: Write the proportion equation
80,586.66 : 120,879.99 = 25,182.66 : x - Step 2: Convert to fraction form
80,586.66/120,879.99 = 25,182.66/x - Step 3: Cross multiply
80,586.66x = 120,879.99 × 25,182.66 - Step 4: Simplify right side
80,586.66x = 3,044,079,688.97 - Step 5: Solve for x
x = 3,044,079,688.97/80,586.66 - Step 6: Final answer
x = 37,773.99
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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.