Finding the Fourth Proportional to 75,484.28, 104,149.26 and 50,316.92
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Solution
The fourth proportional to 75,484.28, 104,149.26 and 50,316.92 is: 69,424.65
Step by Step Solution
- Step 1: Write the proportion equation
75,484.28 : 104,149.26 = 50,316.92 : x - Step 2: Convert to fraction form
75,484.28/104,149.26 = 50,316.92/x - Step 3: Cross multiply
75,484.28x = 104,149.26 × 50,316.92 - Step 4: Simplify right side
75,484.28x = 5,240,469,983.48 - Step 5: Solve for x
x = 5,240,469,983.48/75,484.28 - Step 6: Final answer
x = 69,424.65
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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.