Finding the Fourth Proportional to 110,542.70, 152,529.92 and 62,137.92
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Solution
The fourth proportional to 110,542.70, 152,529.92 and 62,137.92 is: 85,739.65
Step by Step Solution
- Step 1: Write the proportion equation
110,542.70 : 152,529.92 = 62,137.92 : x - Step 2: Convert to fraction form
110,542.70/152,529.92 = 62,137.92/x - Step 3: Cross multiply
110,542.70x = 152,529.92 × 62,137.92 - Step 4: Simplify right side
110,542.70x = 9,477,891,966.57 - Step 5: Solve for x
x = 9,477,891,966.57/110,542.70 - Step 6: Final answer
x = 85,739.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.