Finding the Fourth Proportional to 75,581.88, 113,370.26 and 40,589.88
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Solution
The fourth proportional to 75,581.88, 113,370.26 and 40,589.88 is: 60,883.45
Step by Step Solution
- Step 1: Write the proportion equation
75,581.88 : 113,370.26 = 40,589.88 : x - Step 2: Convert to fraction form
75,581.88/113,370.26 = 40,589.88/x - Step 3: Cross multiply
75,581.88x = 113,370.26 × 40,589.88 - Step 4: Simplify right side
75,581.88x = 4,601,685,248.97 - Step 5: Solve for x
x = 4,601,685,248.97/75,581.88 - Step 6: Final answer
x = 60,883.45
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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.