Finding the Fourth Proportional to 106,551.99, 159,853.95 and 35,474.49
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Solution
The fourth proportional to 106,551.99, 159,853.95 and 35,474.49 is: 53,220.38
Step by Step Solution
- Step 1: Write the proportion equation
106,551.99 : 159,853.95 = 35,474.49 : x - Step 2: Convert to fraction form
106,551.99/159,853.95 = 35,474.49/x - Step 3: Cross multiply
106,551.99x = 159,853.95 × 35,474.49 - Step 4: Simplify right side
106,551.99x = 5,670,737,350.74 - Step 5: Solve for x
x = 5,670,737,350.74/106,551.99 - Step 6: Final answer
x = 53,220.38
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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.