Finding the Fourth Proportional to 69,761.26, 104,526.87 and 40,203.94
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Solution
The fourth proportional to 69,761.26, 104,526.87 and 40,203.94 is: 60,239.62
Step by Step Solution
- Step 1: Write the proportion equation
69,761.26 : 104,526.87 = 40,203.94 : x - Step 2: Convert to fraction form
69,761.26/104,526.87 = 40,203.94/x - Step 3: Cross multiply
69,761.26x = 104,526.87 × 40,203.94 - Step 4: Simplify right side
69,761.26x = 4,202,392,009.87 - Step 5: Solve for x
x = 4,202,392,009.87/69,761.26 - Step 6: Final answer
x = 60,239.62
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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.