Finding the Fourth Proportional to 63,720.52, 87,938.94 and 38,228
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Solution
The fourth proportional to 63,720.52, 87,938.94 and 38,228 is: 52,757.41
Step by Step Solution
- Step 1: Write the proportion equation
63,720.52 : 87,938.94 = 38,228 : x - Step 2: Convert to fraction form
63,720.52/87,938.94 = 38,228/x - Step 3: Cross multiply
63,720.52x = 87,938.94 × 38,228 - Step 4: Simplify right side
63,720.52x = 3,361,729,798.32 - Step 5: Solve for x
x = 3,361,729,798.32/63,720.52 - Step 6: Final answer
x = 52,757.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.