Finding the Fourth Proportional to 75,872.57, 113,752.62 and 36,392.09
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Solution
The fourth proportional to 75,872.57, 113,752.62 and 36,392.09 is: 54,561.16
Step by Step Solution
- Step 1: Write the proportion equation
75,872.57 : 113,752.62 = 36,392.09 : x - Step 2: Convert to fraction form
75,872.57/113,752.62 = 36,392.09/x - Step 3: Cross multiply
75,872.57x = 113,752.62 × 36,392.09 - Step 4: Simplify right side
75,872.57x = 4,139,695,016.01 - Step 5: Solve for x
x = 4,139,695,016.01/75,872.57 - Step 6: Final answer
x = 54,561.16
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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.