Finding the Fourth Proportional to 75,186.48, 103,710.42 and 48,363.96
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Solution
The fourth proportional to 75,186.48, 103,710.42 and 48,363.96 is: 66,712.08
Step by Step Solution
- Step 1: Write the proportion equation
75,186.48 : 103,710.42 = 48,363.96 : x - Step 2: Convert to fraction form
75,186.48/103,710.42 = 48,363.96/x - Step 3: Cross multiply
75,186.48x = 103,710.42 × 48,363.96 - Step 4: Simplify right side
75,186.48x = 5,015,846,604.46 - Step 5: Solve for x
x = 5,015,846,604.46/75,186.48 - Step 6: Final answer
x = 66,712.08
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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.