Finding the Fourth Proportional to 83,765.72, 125,529.30 and 41,604.49
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Solution
The fourth proportional to 83,765.72, 125,529.30 and 41,604.49 is: 62,347.48
Step by Step Solution
- Step 1: Write the proportion equation
83,765.72 : 125,529.30 = 41,604.49 : x - Step 2: Convert to fraction form
83,765.72/125,529.30 = 41,604.49/x - Step 3: Cross multiply
83,765.72x = 125,529.30 × 41,604.49 - Step 4: Simplify right side
83,765.72x = 5,222,581,878.91 - Step 5: Solve for x
x = 5,222,581,878.91/83,765.72 - Step 6: Final answer
x = 62,347.48
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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.