Finding the Fourth Proportional to 73,906.91, 101,983.28 and 41,642.99
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Solution
The fourth proportional to 73,906.91, 101,983.28 and 41,642.99 is: 57,462.67
Step by Step Solution
- Step 1: Write the proportion equation
73,906.91 : 101,983.28 = 41,642.99 : x - Step 2: Convert to fraction form
73,906.91/101,983.28 = 41,642.99/x - Step 3: Cross multiply
73,906.91x = 101,983.28 × 41,642.99 - Step 4: Simplify right side
73,906.91x = 4,246,887,991.08 - Step 5: Solve for x
x = 4,246,887,991.08/73,906.91 - Step 6: Final answer
x = 57,462.67
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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.