Finding the Fourth Proportional to 68,184.02, 102,204.96 and 40,081.08
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Solution
The fourth proportional to 68,184.02, 102,204.96 and 40,081.08 is: 60,079.84
Step by Step Solution
- Step 1: Write the proportion equation
68,184.02 : 102,204.96 = 40,081.08 : x - Step 2: Convert to fraction form
68,184.02/102,204.96 = 40,081.08/x - Step 3: Cross multiply
68,184.02x = 102,204.96 × 40,081.08 - Step 4: Simplify right side
68,184.02x = 4,096,485,178.16 - Step 5: Solve for x
x = 4,096,485,178.16/68,184.02 - Step 6: Final answer
x = 60,079.84
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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.