Finding the Fourth Proportional to 83,494.56, 115,229.76 and 45,776
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Solution
The fourth proportional to 83,494.56, 115,229.76 and 45,776 is: 63,174.86
Step by Step Solution
- Step 1: Write the proportion equation
83,494.56 : 115,229.76 = 45,776 : x - Step 2: Convert to fraction form
83,494.56/115,229.76 = 45,776/x - Step 3: Cross multiply
83,494.56x = 115,229.76 × 45,776 - Step 4: Simplify right side
83,494.56x = 5,274,757,493.76 - Step 5: Solve for x
x = 5,274,757,493.76/83,494.56 - Step 6: Final answer
x = 63,174.86
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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.