Finding the Fourth Proportional to 84,070.19, 126,142.43 and 44,079.62
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Solution
The fourth proportional to 84,070.19, 126,142.43 and 44,079.62 is: 66,138.90
Step by Step Solution
- Step 1: Write the proportion equation
84,070.19 : 126,142.43 = 44,079.62 : x - Step 2: Convert to fraction form
84,070.19/126,142.43 = 44,079.62/x - Step 3: Cross multiply
84,070.19x = 126,142.43 × 44,079.62 - Step 4: Simplify right side
84,070.19x = 5,560,309,749.56 - Step 5: Solve for x
x = 5,560,309,749.56/84,070.19 - Step 6: Final answer
x = 66,138.90
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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.