Finding the Fourth Proportional to 75,708.49, 104,476.34 and 41,720.13
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Solution
The fourth proportional to 75,708.49, 104,476.34 and 41,720.13 is: 57,573.02
Step by Step Solution
- Step 1: Write the proportion equation
75,708.49 : 104,476.34 = 41,720.13 : x - Step 2: Convert to fraction form
75,708.49/104,476.34 = 41,720.13/x - Step 3: Cross multiply
75,708.49x = 104,476.34 × 41,720.13 - Step 4: Simplify right side
75,708.49x = 4,358,766,486.72 - Step 5: Solve for x
x = 4,358,766,486.72/75,708.49 - Step 6: Final answer
x = 57,573.02
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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.