Finding the Fourth Proportional to 75,916.09, 104,764.76 and 41,923.63
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Solution
The fourth proportional to 75,916.09, 104,764.76 and 41,923.63 is: 57,854.92
Step by Step Solution
- Step 1: Write the proportion equation
75,916.09 : 104,764.76 = 41,923.63 : x - Step 2: Convert to fraction form
75,916.09/104,764.76 = 41,923.63/x - Step 3: Cross multiply
75,916.09x = 104,764.76 × 41,923.63 - Step 4: Simplify right side
75,916.09x = 4,392,119,035.28 - Step 5: Solve for x
x = 4,392,119,035.28/75,916.09 - Step 6: Final answer
x = 57,854.92
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1.5x scale
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.