Finding the Fourth Proportional to 75,570.42, 104,285.76 and 41,578.08
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Solution
The fourth proportional to 75,570.42, 104,285.76 and 41,578.08 is: 57,376.97
Step by Step Solution
- Step 1: Write the proportion equation
75,570.42 : 104,285.76 = 41,578.08 : x - Step 2: Convert to fraction form
75,570.42/104,285.76 = 41,578.08/x - Step 3: Cross multiply
75,570.42x = 104,285.76 × 41,578.08 - Step 4: Simplify right side
75,570.42x = 4,336,001,672.14 - Step 5: Solve for x
x = 4,336,001,672.14/75,570.42 - Step 6: Final answer
x = 57,376.97
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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.