Finding the Fourth Proportional to 74,364.97, 111,505.53 and 24,431.66
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Solution
The fourth proportional to 74,364.97, 111,505.53 and 24,431.66 is: 36,633.72
Step by Step Solution
- Step 1: Write the proportion equation
74,364.97 : 111,505.53 = 24,431.66 : x - Step 2: Convert to fraction form
74,364.97/111,505.53 = 24,431.66/x - Step 3: Cross multiply
74,364.97x = 111,505.53 × 24,431.66 - Step 4: Simplify right side
74,364.97x = 2,724,265,197.08 - Step 5: Solve for x
x = 2,724,265,197.08/74,364.97 - Step 6: Final answer
x = 36,633.72
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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.