Finding the Fourth Proportional to 106,635.84, 159,943.17 and 27,750.07
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Solution
The fourth proportional to 106,635.84, 159,943.17 and 27,750.07 is: 41,622.35
Step by Step Solution
- Step 1: Write the proportion equation
106,635.84 : 159,943.17 = 27,750.07 : x - Step 2: Convert to fraction form
106,635.84/159,943.17 = 27,750.07/x - Step 3: Cross multiply
106,635.84x = 159,943.17 × 27,750.07 - Step 4: Simplify right side
106,635.84x = 4,438,433,900.60 - Step 5: Solve for x
x = 4,438,433,900.60/106,635.84 - Step 6: Final answer
x = 41,622.35
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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.