Finding the Fourth Proportional to 81,546.68, 122,152.98 and 48,165.68
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Solution
The fourth proportional to 81,546.68, 122,152.98 and 48,165.68 is: 72,149.86
Step by Step Solution
- Step 1: Write the proportion equation
81,546.68 : 122,152.98 = 48,165.68 : x - Step 2: Convert to fraction form
81,546.68/122,152.98 = 48,165.68/x - Step 3: Cross multiply
81,546.68x = 122,152.98 × 48,165.68 - Step 4: Simplify right side
81,546.68x = 5,883,581,345.73 - Step 5: Solve for x
x = 5,883,581,345.73/81,546.68 - Step 6: Final answer
x = 72,149.86
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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.