Finding the Fourth Proportional to 75,664.22, 104,324.10 and 47,320.70
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Solution
The fourth proportional to 75,664.22, 104,324.10 and 47,320.70 is: 65,244.70
Step by Step Solution
- Step 1: Write the proportion equation
75,664.22 : 104,324.10 = 47,320.70 : x - Step 2: Convert to fraction form
75,664.22/104,324.10 = 47,320.70/x - Step 3: Cross multiply
75,664.22x = 104,324.10 × 47,320.70 - Step 4: Simplify right side
75,664.22x = 4,936,688,917.25 - Step 5: Solve for x
x = 4,936,688,917.25/75,664.22 - Step 6: Final answer
x = 65,244.70
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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.