Finding the Fourth Proportional to 75,459.76, 104,072.67 and 46,759.49
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Solution
The fourth proportional to 75,459.76, 104,072.67 and 46,759.49 is: 64,489.80
Step by Step Solution
- Step 1: Write the proportion equation
75,459.76 : 104,072.67 = 46,759.49 : x - Step 2: Convert to fraction form
75,459.76/104,072.67 = 46,759.49/x - Step 3: Cross multiply
75,459.76x = 104,072.67 × 46,759.49 - Step 4: Simplify right side
75,459.76x = 4,866,384,680.85 - Step 5: Solve for x
x = 4,866,384,680.85/75,459.76 - Step 6: Final answer
x = 64,489.80
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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.