Finding the Fourth Proportional to 75,163.60, 103,742.82 and 46,863.82
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Solution
The fourth proportional to 75,163.60, 103,742.82 and 46,863.82 is: 64,682.70
Step by Step Solution
- Step 1: Write the proportion equation
75,163.60 : 103,742.82 = 46,863.82 : x - Step 2: Convert to fraction form
75,163.60/103,742.82 = 46,863.82/x - Step 3: Cross multiply
75,163.60x = 103,742.82 × 46,863.82 - Step 4: Simplify right side
75,163.60x = 4,861,784,842.77 - Step 5: Solve for x
x = 4,861,784,842.77/75,163.60 - Step 6: Final answer
x = 64,682.70
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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.