Finding the Fourth Proportional to 75,098.92, 103,542.42 and 48,193.96
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Solution
The fourth proportional to 75,098.92, 103,542.42 and 48,193.96 is: 66,447.28
Step by Step Solution
- Step 1: Write the proportion equation
75,098.92 : 103,542.42 = 48,193.96 : x - Step 2: Convert to fraction form
75,098.92/103,542.42 = 48,193.96/x - Step 3: Cross multiply
75,098.92x = 103,542.42 × 48,193.96 - Step 4: Simplify right side
75,098.92x = 4,990,119,247.78 - Step 5: Solve for x
x = 4,990,119,247.78/75,098.92 - Step 6: Final answer
x = 66,447.28
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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.