Finding the Fourth Proportional to 76,381.44, 114,544.82 and 26,448.13
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Solution
The fourth proportional to 76,381.44, 114,544.82 and 26,448.13 is: 39,662.72
Step by Step Solution
- Step 1: Write the proportion equation
76,381.44 : 114,544.82 = 26,448.13 : x - Step 2: Convert to fraction form
76,381.44/114,544.82 = 26,448.13/x - Step 3: Cross multiply
76,381.44x = 114,544.82 × 26,448.13 - Step 4: Simplify right side
76,381.44x = 3,029,495,585.22 - Step 5: Solve for x
x = 3,029,495,585.22/76,381.44 - Step 6: Final answer
x = 39,662.72
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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.