Finding the Fourth Proportional to 83,586.62, 125,576.76 and 68,102.66
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Solution
The fourth proportional to 83,586.62, 125,576.76 and 68,102.66 is: 102,314.35
Step by Step Solution
- Step 1: Write the proportion equation
83,586.62 : 125,576.76 = 68,102.66 : x - Step 2: Convert to fraction form
83,586.62/125,576.76 = 68,102.66/x - Step 3: Cross multiply
83,586.62x = 125,576.76 × 68,102.66 - Step 4: Simplify right side
83,586.62x = 8,552,110,678.52 - Step 5: Solve for x
x = 8,552,110,678.52/83,586.62 - Step 6: Final answer
x = 102,314.35
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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.