Finding the Fourth Proportional to 107,862.30, 161,793.45 and 32,982.44
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Solution
The fourth proportional to 107,862.30, 161,793.45 and 32,982.44 is: 49,473.65
Step by Step Solution
- Step 1: Write the proportion equation
107,862.30 : 161,793.45 = 32,982.44 : x - Step 2: Convert to fraction form
107,862.30/161,793.45 = 32,982.44/x - Step 3: Cross multiply
107,862.30x = 161,793.45 × 32,982.44 - Step 4: Simplify right side
107,862.30x = 5,336,341,948.05 - Step 5: Solve for x
x = 5,336,341,948.05/107,862.30 - Step 6: Final answer
x = 49,473.65
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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.