Finding the Fourth Proportional to 79,631.60, 119,521.24 and 40,216.44
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Solution
The fourth proportional to 79,631.60, 119,521.24 and 40,216.44 is: 60,361.95
Step by Step Solution
- Step 1: Write the proportion equation
79,631.60 : 119,521.24 = 40,216.44 : x - Step 2: Convert to fraction form
79,631.60/119,521.24 = 40,216.44/x - Step 3: Cross multiply
79,631.60x = 119,521.24 × 40,216.44 - Step 4: Simplify right side
79,631.60x = 4,806,718,777.19 - Step 5: Solve for x
x = 4,806,718,777.19/79,631.60 - Step 6: Final answer
x = 60,361.95
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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.