Finding the Fourth Proportional to 75,197.70, 103,772.61 and 41,663.70
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Solution
The fourth proportional to 75,197.70, 103,772.61 and 41,663.70 is: 57,495.79
Step by Step Solution
- Step 1: Write the proportion equation
75,197.70 : 103,772.61 = 41,663.70 : x - Step 2: Convert to fraction form
75,197.70/103,772.61 = 41,663.70/x - Step 3: Cross multiply
75,197.70x = 103,772.61 × 41,663.70 - Step 4: Simplify right side
75,197.70x = 4,323,550,891.26 - Step 5: Solve for x
x = 4,323,550,891.26/75,197.70 - Step 6: Final answer
x = 57,495.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.