Finding the Fourth Proportional to 75,711.94, 104,385.43 and 62,049.68
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Solution
The fourth proportional to 75,711.94, 104,385.43 and 62,049.68 is: 85,549.03
Step by Step Solution
- Step 1: Write the proportion equation
75,711.94 : 104,385.43 = 62,049.68 : x - Step 2: Convert to fraction form
75,711.94/104,385.43 = 62,049.68/x - Step 3: Cross multiply
75,711.94x = 104,385.43 × 62,049.68 - Step 4: Simplify right side
75,711.94x = 6,477,083,062.41 - Step 5: Solve for x
x = 6,477,083,062.41/75,711.94 - Step 6: Final answer
x = 85,549.03
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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.