Finding the Fourth Proportional to 75,226.20, 112,672.91 and 30,717.99
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Solution
The fourth proportional to 75,226.20, 112,672.91 and 30,717.99 is: 46,009.04
Step by Step Solution
- Step 1: Write the proportion equation
75,226.20 : 112,672.91 = 30,717.99 : x - Step 2: Convert to fraction form
75,226.20/112,672.91 = 30,717.99/x - Step 3: Cross multiply
75,226.20x = 112,672.91 × 30,717.99 - Step 4: Simplify right side
75,226.20x = 3,461,085,169.06 - Step 5: Solve for x
x = 3,461,085,169.06/75,226.20 - Step 6: Final answer
x = 46,009.04
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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.