Finding the Fourth Proportional to 75,739.37, 104,515.61 and 41,748.12
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Solution
The fourth proportional to 75,739.37, 104,515.61 and 41,748.12 is: 57,609.80
Step by Step Solution
- Step 1: Write the proportion equation
75,739.37 : 104,515.61 = 41,748.12 : x - Step 2: Convert to fraction form
75,739.37/104,515.61 = 41,748.12/x - Step 3: Cross multiply
75,739.37x = 104,515.61 × 41,748.12 - Step 4: Simplify right side
75,739.37x = 4,363,330,228.15 - Step 5: Solve for x
x = 4,363,330,228.15/75,739.37 - Step 6: Final answer
x = 57,609.80
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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.