Finding the Fourth Proportional to 101,443.50, 152,135.50 and 38,218
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Solution
The fourth proportional to 101,443.50, 152,135.50 and 38,218 is: 57,315.79
Step by Step Solution
- Step 1: Write the proportion equation
101,443.50 : 152,135.50 = 38,218 : x - Step 2: Convert to fraction form
101,443.50/152,135.50 = 38,218/x - Step 3: Cross multiply
101,443.50x = 152,135.50 × 38,218 - Step 4: Simplify right side
101,443.50x = 5,814,314,539 - Step 5: Solve for x
x = 5,814,314,539/101,443.50 - Step 6: Final answer
x = 57,315.79
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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.