Finding the Fourth Proportional to 94,903.82, 130,961.03 and 54,611.08
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Solution
The fourth proportional to 94,903.82, 130,961.03 and 54,611.08 is: 75,359.70
Step by Step Solution
- Step 1: Write the proportion equation
94,903.82 : 130,961.03 = 54,611.08 : x - Step 2: Convert to fraction form
94,903.82/130,961.03 = 54,611.08/x - Step 3: Cross multiply
94,903.82x = 130,961.03 × 54,611.08 - Step 4: Simplify right side
94,903.82x = 7,151,923,286.21 - Step 5: Solve for x
x = 7,151,923,286.21/94,903.82 - Step 6: Final answer
x = 75,359.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.