Finding the Fourth Proportional to 75,254.44, 103,855.80 and 41,720.44
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Solution
The fourth proportional to 75,254.44, 103,855.80 and 41,720.44 is: 57,576.80
Step by Step Solution
- Step 1: Write the proportion equation
75,254.44 : 103,855.80 = 41,720.44 : x - Step 2: Convert to fraction form
75,254.44/103,855.80 = 41,720.44/x - Step 3: Cross multiply
75,254.44x = 103,855.80 × 41,720.44 - Step 4: Simplify right side
75,254.44x = 4,332,909,672.55 - Step 5: Solve for x
x = 4,332,909,672.55/75,254.44 - Step 6: Final answer
x = 57,576.80
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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.