Finding the Fourth Proportional to 69,104.64, 103,531.21 and 48,000.09
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Solution
The fourth proportional to 69,104.64, 103,531.21 and 48,000.09 is: 71,912.79
Step by Step Solution
- Step 1: Write the proportion equation
69,104.64 : 103,531.21 = 48,000.09 : x - Step 2: Convert to fraction form
69,104.64/103,531.21 = 48,000.09/x - Step 3: Cross multiply
69,104.64x = 103,531.21 × 48,000.09 - Step 4: Simplify right side
69,104.64x = 4,969,507,277.81 - Step 5: Solve for x
x = 4,969,507,277.81/69,104.64 - Step 6: Final answer
x = 71,912.79
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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.