Finding the Fourth Proportional to 68,627.11, 102,958.41 and 40,188.08
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Solution
The fourth proportional to 68,627.11, 102,958.41 and 40,188.08 is: 60,292.51
Step by Step Solution
- Step 1: Write the proportion equation
68,627.11 : 102,958.41 = 40,188.08 : x - Step 2: Convert to fraction form
68,627.11/102,958.41 = 40,188.08/x - Step 3: Cross multiply
68,627.11x = 102,958.41 × 40,188.08 - Step 4: Simplify right side
68,627.11x = 4,137,700,968.46 - Step 5: Solve for x
x = 4,137,700,968.46/68,627.11 - Step 6: Final answer
x = 60,292.51
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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.