Finding the Fourth Proportional to 81,656.54, 122,270.97 and 53,487.98
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Solution
The fourth proportional to 81,656.54, 122,270.97 and 53,487.98 is: 80,091.90
Step by Step Solution
- Step 1: Write the proportion equation
81,656.54 : 122,270.97 = 53,487.98 : x - Step 2: Convert to fraction form
81,656.54/122,270.97 = 53,487.98/x - Step 3: Cross multiply
81,656.54x = 122,270.97 × 53,487.98 - Step 4: Simplify right side
81,656.54x = 6,540,027,704.20 - Step 5: Solve for x
x = 6,540,027,704.20/81,656.54 - Step 6: Final answer
x = 80,091.90
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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.