Finding the Fourth Proportional to 81,714.92, 122,458.98 and 37,232.96
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Solution
The fourth proportional to 81,714.92, 122,458.98 and 37,232.96 is: 55,797.77
Step by Step Solution
- Step 1: Write the proportion equation
81,714.92 : 122,458.98 = 37,232.96 : x - Step 2: Convert to fraction form
81,714.92/122,458.98 = 37,232.96/x - Step 3: Cross multiply
81,714.92x = 122,458.98 × 37,232.96 - Step 4: Simplify right side
81,714.92x = 4,559,510,303.98 - Step 5: Solve for x
x = 4,559,510,303.98/81,714.92 - Step 6: Final answer
x = 55,797.77
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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.