Finding the Fourth Proportional to 68,098.19, 102,163.66 and 21,351.06
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Solution
The fourth proportional to 68,098.19, 102,163.66 and 21,351.06 is: 32,031.72
Step by Step Solution
- Step 1: Write the proportion equation
68,098.19 : 102,163.66 = 21,351.06 : x - Step 2: Convert to fraction form
68,098.19/102,163.66 = 21,351.06/x - Step 3: Cross multiply
68,098.19x = 102,163.66 × 21,351.06 - Step 4: Simplify right side
68,098.19x = 2,181,302,434.48 - Step 5: Solve for x
x = 2,181,302,434.48/68,098.19 - Step 6: Final answer
x = 32,031.72
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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.