Finding the Fourth Proportional to 75,217.14, 103,766.25 and 48,354.66
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Solution
The fourth proportional to 75,217.14, 103,766.25 and 48,354.66 is: 66,707.96
Step by Step Solution
- Step 1: Write the proportion equation
75,217.14 : 103,766.25 = 48,354.66 : x - Step 2: Convert to fraction form
75,217.14/103,766.25 = 48,354.66/x - Step 3: Cross multiply
75,217.14x = 103,766.25 × 48,354.66 - Step 4: Simplify right side
75,217.14x = 5,017,581,738.23 - Step 5: Solve for x
x = 5,017,581,738.23/75,217.14 - Step 6: Final answer
x = 66,707.96
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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.