Finding the Fourth Proportional to 76,974.96, 115,474.56 and 32,601.84
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Solution
The fourth proportional to 76,974.96, 115,474.56 and 32,601.84 is: 48,907.89
Step by Step Solution
- Step 1: Write the proportion equation
76,974.96 : 115,474.56 = 32,601.84 : x - Step 2: Convert to fraction form
76,974.96/115,474.56 = 32,601.84/x - Step 3: Cross multiply
76,974.96x = 115,474.56 × 32,601.84 - Step 4: Simplify right side
76,974.96x = 3,764,683,129.19 - Step 5: Solve for x
x = 3,764,683,129.19/76,974.96 - Step 6: Final answer
x = 48,907.89
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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.