Finding the Fourth Proportional to 75,852.12, 104,673.99 and 41,860.18
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Solution
The fourth proportional to 75,852.12, 104,673.99 and 41,860.18 is: 57,765.98
Step by Step Solution
- Step 1: Write the proportion equation
75,852.12 : 104,673.99 = 41,860.18 : x - Step 2: Convert to fraction form
75,852.12/104,673.99 = 41,860.18/x - Step 3: Cross multiply
75,852.12x = 104,673.99 × 41,860.18 - Step 4: Simplify right side
75,852.12x = 4,381,672,062.72 - Step 5: Solve for x
x = 4,381,672,062.72/75,852.12 - Step 6: Final answer
x = 57,765.98
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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.