Finding the Fourth Proportional to 107,682.75, 161,547.21 and 32,808.95
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Solution
The fourth proportional to 107,682.75, 161,547.21 and 32,808.95 is: 49,220.45
Step by Step Solution
- Step 1: Write the proportion equation
107,682.75 : 161,547.21 = 32,808.95 : x - Step 2: Convert to fraction form
107,682.75/161,547.21 = 32,808.95/x - Step 3: Cross multiply
107,682.75x = 161,547.21 × 32,808.95 - Step 4: Simplify right side
107,682.75x = 5,300,193,527.79 - Step 5: Solve for x
x = 5,300,193,527.79/107,682.75 - Step 6: Final answer
x = 49,220.45
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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.