Finding the Fourth Proportional to 83,883.24, 125,816.22 and 27,721.32
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Solution
The fourth proportional to 83,883.24, 125,816.22 and 27,721.32 is: 41,579.12
Step by Step Solution
- Step 1: Write the proportion equation
83,883.24 : 125,816.22 = 27,721.32 : x - Step 2: Convert to fraction form
83,883.24/125,816.22 = 27,721.32/x - Step 3: Cross multiply
83,883.24x = 125,816.22 × 27,721.32 - Step 4: Simplify right side
83,883.24x = 3,487,791,695.81 - Step 5: Solve for x
x = 3,487,791,695.81/83,883.24 - Step 6: Final answer
x = 41,579.12
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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.