Finding the Fourth Proportional to 83,743.05, 125,631.89 and 27,586.58
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Solution
The fourth proportional to 83,743.05, 125,631.89 and 27,586.58 is: 41,385.56
Step by Step Solution
- Step 1: Write the proportion equation
83,743.05 : 125,631.89 = 27,586.58 : x - Step 2: Convert to fraction form
83,743.05/125,631.89 = 27,586.58/x - Step 3: Cross multiply
83,743.05x = 125,631.89 × 27,586.58 - Step 4: Simplify right side
83,743.05x = 3,465,753,417.94 - Step 5: Solve for x
x = 3,465,753,417.94/83,743.05 - Step 6: Final answer
x = 41,385.56
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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.