Finding the Fourth Proportional to 83,818.74, 125,732.04 and 27,663.75
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Solution
The fourth proportional to 83,818.74, 125,732.04 and 27,663.75 is: 41,496.92
Step by Step Solution
- Step 1: Write the proportion equation
83,818.74 : 125,732.04 = 27,663.75 : x - Step 2: Convert to fraction form
83,818.74/125,732.04 = 27,663.75/x - Step 3: Cross multiply
83,818.74x = 125,732.04 × 27,663.75 - Step 4: Simplify right side
83,818.74x = 3,478,219,721.55 - Step 5: Solve for x
x = 3,478,219,721.55/83,818.74 - Step 6: Final answer
x = 41,496.92
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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.