Finding the Fourth Proportional to 76,995.75, 115,473.57 and 32,599.65
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Solution
The fourth proportional to 76,995.75, 115,473.57 and 32,599.65 is: 48,890.98
Step by Step Solution
- Step 1: Write the proportion equation
76,995.75 : 115,473.57 = 32,599.65 : x - Step 2: Convert to fraction form
76,995.75/115,473.57 = 32,599.65/x - Step 3: Cross multiply
76,995.75x = 115,473.57 × 32,599.65 - Step 4: Simplify right side
76,995.75x = 3,764,397,966.25 - Step 5: Solve for x
x = 3,764,397,966.25/76,995.75 - Step 6: Final answer
x = 48,890.98
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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.