Finding the Fourth Proportional to 83,732.74, 125,616.32 and 27,576.15
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Solution
The fourth proportional to 83,732.74, 125,616.32 and 27,576.15 is: 41,369.89
Step by Step Solution
- Step 1: Write the proportion equation
83,732.74 : 125,616.32 = 27,576.15 : x - Step 2: Convert to fraction form
83,732.74/125,616.32 = 27,576.15/x - Step 3: Cross multiply
83,732.74x = 125,616.32 × 27,576.15 - Step 4: Simplify right side
83,732.74x = 3,464,013,977.24 - Step 5: Solve for x
x = 3,464,013,977.24/83,732.74 - Step 6: Final answer
x = 41,369.89
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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.