Finding the Fourth Proportional to 76,335.66, 114,497.73 and 38,872.26
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Solution
The fourth proportional to 76,335.66, 114,497.73 and 38,872.26 is: 58,305.46
Step by Step Solution
- Step 1: Write the proportion equation
76,335.66 : 114,497.73 = 38,872.26 : x - Step 2: Convert to fraction form
76,335.66/114,497.73 = 38,872.26/x - Step 3: Cross multiply
76,335.66x = 114,497.73 × 38,872.26 - Step 4: Simplify right side
76,335.66x = 4,450,785,529.97 - Step 5: Solve for x
x = 4,450,785,529.97/76,335.66 - Step 6: Final answer
x = 58,305.46
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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.