Finding the Fourth Proportional to 75,503.58, 104,195.14 and 41,515.54
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Solution
The fourth proportional to 75,503.58, 104,195.14 and 41,515.54 is: 57,291.56
Step by Step Solution
- Step 1: Write the proportion equation
75,503.58 : 104,195.14 = 41,515.54 : x - Step 2: Convert to fraction form
75,503.58/104,195.14 = 41,515.54/x - Step 3: Cross multiply
75,503.58x = 104,195.14 × 41,515.54 - Step 4: Simplify right side
75,503.58x = 4,325,717,371.72 - Step 5: Solve for x
x = 4,325,717,371.72/75,503.58 - Step 6: Final answer
x = 57,291.56
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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.