Finding the Fourth Proportional to 77,065.44, 115,622.84 and 32,729.44
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Solution
The fourth proportional to 77,065.44, 115,622.84 and 32,729.44 is: 49,104.64
Step by Step Solution
- Step 1: Write the proportion equation
77,065.44 : 115,622.84 = 32,729.44 : x - Step 2: Convert to fraction form
77,065.44/115,622.84 = 32,729.44/x - Step 3: Cross multiply
77,065.44x = 115,622.84 × 32,729.44 - Step 4: Simplify right side
77,065.44x = 3,784,270,804.41 - Step 5: Solve for x
x = 3,784,270,804.41/77,065.44 - Step 6: Final answer
x = 49,104.64
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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.