Finding the Fourth Proportional to 68,716.85, 103,056.08 and 24,331.68
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Solution
The fourth proportional to 68,716.85, 103,056.08 and 24,331.68 is: 36,490.72
Step by Step Solution
- Step 1: Write the proportion equation
68,716.85 : 103,056.08 = 24,331.68 : x - Step 2: Convert to fraction form
68,716.85/103,056.08 = 24,331.68/x - Step 3: Cross multiply
68,716.85x = 103,056.08 × 24,331.68 - Step 4: Simplify right side
68,716.85x = 2,507,527,438.96 - Step 5: Solve for x
x = 2,507,527,438.96/68,716.85 - Step 6: Final answer
x = 36,490.72
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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.