Finding the Fourth Proportional to 75,534.30, 104,235.13 and 41,542.75
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Solution
The fourth proportional to 75,534.30, 104,235.13 and 41,542.75 is: 57,327.78
Step by Step Solution
- Step 1: Write the proportion equation
75,534.30 : 104,235.13 = 41,542.75 : x - Step 2: Convert to fraction form
75,534.30/104,235.13 = 41,542.75/x - Step 3: Cross multiply
75,534.30x = 104,235.13 × 41,542.75 - Step 4: Simplify right side
75,534.30x = 4,330,213,946.81 - Step 5: Solve for x
x = 4,330,213,946.81/75,534.30 - Step 6: Final answer
x = 57,327.78
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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.