Finding the Fourth Proportional to 84,051.54, 126,059.49 and 27,878.58
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Solution
The fourth proportional to 84,051.54, 126,059.49 and 27,878.58 is: 41,811.96
Step by Step Solution
- Step 1: Write the proportion equation
84,051.54 : 126,059.49 = 27,878.58 : x - Step 2: Convert to fraction form
84,051.54/126,059.49 = 27,878.58/x - Step 3: Cross multiply
84,051.54x = 126,059.49 × 27,878.58 - Step 4: Simplify right side
84,051.54x = 3,514,359,576.72 - Step 5: Solve for x
x = 3,514,359,576.72/84,051.54 - Step 6: Final answer
x = 41,811.96
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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.