Finding the Fourth Proportional to 75,864.68, 104,728.70 and 44,027.43
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Solution
The fourth proportional to 75,864.68, 104,728.70 and 44,027.43 is: 60,778.42
Step by Step Solution
- Step 1: Write the proportion equation
75,864.68 : 104,728.70 = 44,027.43 : x - Step 2: Convert to fraction form
75,864.68/104,728.70 = 44,027.43/x - Step 3: Cross multiply
75,864.68x = 104,728.70 × 44,027.43 - Step 4: Simplify right side
75,864.68x = 4,610,935,288.10 - Step 5: Solve for x
x = 4,610,935,288.10/75,864.68 - Step 6: Final answer
x = 60,778.42
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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.