Finding the Fourth Proportional to 75,644.28, 104,347.98 and 47,343.96
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Solution
The fourth proportional to 75,644.28, 104,347.98 and 47,343.96 is: 65,308.92
Step by Step Solution
- Step 1: Write the proportion equation
75,644.28 : 104,347.98 = 47,343.96 : x - Step 2: Convert to fraction form
75,644.28/104,347.98 = 47,343.96/x - Step 3: Cross multiply
75,644.28x = 104,347.98 × 47,343.96 - Step 4: Simplify right side
75,644.28x = 4,940,246,591.20 - Step 5: Solve for x
x = 4,940,246,591.20/75,644.28 - Step 6: Final answer
x = 65,308.92
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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.