Finding the Fourth Proportional to 75,682.58, 104,441.99 and 43,869.94
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Solution
The fourth proportional to 75,682.58, 104,441.99 and 43,869.94 is: 60,540.53
Step by Step Solution
- Step 1: Write the proportion equation
75,682.58 : 104,441.99 = 43,869.94 : x - Step 2: Convert to fraction form
75,682.58/104,441.99 = 43,869.94/x - Step 3: Cross multiply
75,682.58x = 104,441.99 × 43,869.94 - Step 4: Simplify right side
75,682.58x = 4,581,863,834.78 - Step 5: Solve for x
x = 4,581,863,834.78/75,682.58 - Step 6: Final answer
x = 60,540.53
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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.