Finding the Fourth Proportional to 83,104.92, 124,506.84 and 38,163.84
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Solution
The fourth proportional to 83,104.92, 124,506.84 and 38,163.84 is: 57,176.63
Step by Step Solution
- Step 1: Write the proportion equation
83,104.92 : 124,506.84 = 38,163.84 : x - Step 2: Convert to fraction form
83,104.92/124,506.84 = 38,163.84/x - Step 3: Cross multiply
83,104.92x = 124,506.84 × 38,163.84 - Step 4: Simplify right side
83,104.92x = 4,751,659,120.67 - Step 5: Solve for x
x = 4,751,659,120.67/83,104.92 - Step 6: Final answer
x = 57,176.63
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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.