Finding the Fourth Proportional to 83,403.46, 115,096.80 and 47,594.26
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Solution
The fourth proportional to 83,403.46, 115,096.80 and 47,594.26 is: 65,680.09
Step by Step Solution
- Step 1: Write the proportion equation
83,403.46 : 115,096.80 = 47,594.26 : x - Step 2: Convert to fraction form
83,403.46/115,096.80 = 47,594.26/x - Step 3: Cross multiply
83,403.46x = 115,096.80 × 47,594.26 - Step 4: Simplify right side
83,403.46x = 5,477,947,024.37 - Step 5: Solve for x
x = 5,477,947,024.37/83,403.46 - Step 6: Final answer
x = 65,680.09
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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.