Finding the Fourth Proportional to 73,249.13, 101,083.80 and 39,715.13
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Solution
The fourth proportional to 73,249.13, 101,083.80 and 39,715.13 is: 54,806.88
Step by Step Solution
- Step 1: Write the proportion equation
73,249.13 : 101,083.80 = 39,715.13 : x - Step 2: Convert to fraction form
73,249.13/101,083.80 = 39,715.13/x - Step 3: Cross multiply
73,249.13x = 101,083.80 × 39,715.13 - Step 4: Simplify right side
73,249.13x = 4,014,555,752.48 - Step 5: Solve for x
x = 4,014,555,752.48/73,249.13 - Step 6: Final answer
x = 54,806.88
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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.