Finding the Fourth Proportional to 68,232.31, 102,278.30 and 26,102.49
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Solution
The fourth proportional to 68,232.31, 102,278.30 and 26,102.49 is: 39,126.89
Step by Step Solution
- Step 1: Write the proportion equation
68,232.31 : 102,278.30 = 26,102.49 : x - Step 2: Convert to fraction form
68,232.31/102,278.30 = 26,102.49/x - Step 3: Cross multiply
68,232.31x = 102,278.30 × 26,102.49 - Step 4: Simplify right side
68,232.31x = 2,669,717,788.91 - Step 5: Solve for x
x = 2,669,717,788.91/68,232.31 - Step 6: Final answer
x = 39,126.89
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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.