Finding the Fourth Proportional to 113,725, 170,587.50 and 30,619
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Solution
The fourth proportional to 113,725, 170,587.50 and 30,619 is: 45,928.50
Step by Step Solution
- Step 1: Write the proportion equation
113,725 : 170,587.50 = 30,619 : x - Step 2: Convert to fraction form
113,725/170,587.50 = 30,619/x - Step 3: Cross multiply
113,725x = 170,587.50 × 30,619 - Step 4: Simplify right side
113,725x = 5,223,218,662.50 - Step 5: Solve for x
x = 5,223,218,662.50/113,725 - Step 6: Final answer
x = 45,928.50
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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.