Finding the Fourth Proportional to 73,752.53, 110,625.91 and 21,161.99
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Solution
The fourth proportional to 73,752.53, 110,625.91 and 21,161.99 is: 31,742.16
Step by Step Solution
- Step 1: Write the proportion equation
73,752.53 : 110,625.91 = 21,161.99 : x - Step 2: Convert to fraction form
73,752.53/110,625.91 = 21,161.99/x - Step 3: Cross multiply
73,752.53x = 110,625.91 × 21,161.99 - Step 4: Simplify right side
73,752.53x = 2,341,064,624.82 - Step 5: Solve for x
x = 2,341,064,624.82/73,752.53 - Step 6: Final answer
x = 31,742.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.