Finding the Fourth Proportional to 73,381.36, 101,239.44 and 44,689.31
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Solution
The fourth proportional to 73,381.36, 101,239.44 and 44,689.31 is: 61,654.91
Step by Step Solution
- Step 1: Write the proportion equation
73,381.36 : 101,239.44 = 44,689.31 : x - Step 2: Convert to fraction form
73,381.36/101,239.44 = 44,689.31/x - Step 3: Cross multiply
73,381.36x = 101,239.44 × 44,689.31 - Step 4: Simplify right side
73,381.36x = 4,524,320,718.39 - Step 5: Solve for x
x = 4,524,320,718.39/73,381.36 - Step 6: Final answer
x = 61,654.91
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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.