Finding the Fourth Proportional to 75,711.42, 104,480.64 and 41,719.14
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Solution
The fourth proportional to 75,711.42, 104,480.64 and 41,719.14 is: 57,571.80
Step by Step Solution
- Step 1: Write the proportion equation
75,711.42 : 104,480.64 = 41,719.14 : x - Step 2: Convert to fraction form
75,711.42/104,480.64 = 41,719.14/x - Step 3: Cross multiply
75,711.42x = 104,480.64 × 41,719.14 - Step 4: Simplify right side
75,711.42x = 4,358,842,447.45 - Step 5: Solve for x
x = 4,358,842,447.45/75,711.42 - Step 6: Final answer
x = 57,571.80
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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.