Finding the Fourth Proportional to 75,781.77, 104,576.43 and 41,791.68
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Solution
The fourth proportional to 75,781.77, 104,576.43 and 41,791.68 is: 57,671.19
Step by Step Solution
- Step 1: Write the proportion equation
75,781.77 : 104,576.43 = 41,791.68 : x - Step 2: Convert to fraction form
75,781.77/104,576.43 = 41,791.68/x - Step 3: Cross multiply
75,781.77x = 104,576.43 × 41,791.68 - Step 4: Simplify right side
75,781.77x = 4,370,424,698.10 - Step 5: Solve for x
x = 4,370,424,698.10/75,781.77 - Step 6: Final answer
x = 57,671.19
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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.