Finding the Fourth Proportional to 84,166.24, 126,261.36 and 39,165.92
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Solution
The fourth proportional to 84,166.24, 126,261.36 and 39,165.92 is: 58,754.46
Step by Step Solution
- Step 1: Write the proportion equation
84,166.24 : 126,261.36 = 39,165.92 : x - Step 2: Convert to fraction form
84,166.24/126,261.36 = 39,165.92/x - Step 3: Cross multiply
84,166.24x = 126,261.36 × 39,165.92 - Step 4: Simplify right side
84,166.24x = 4,945,142,324.85 - Step 5: Solve for x
x = 4,945,142,324.85/84,166.24 - Step 6: Final answer
x = 58,754.46
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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.