Finding the Fourth Proportional to 75,749.88, 104,534.80 and 41,758.94
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Solution
The fourth proportional to 75,749.88, 104,534.80 and 41,758.94 is: 57,627.32
Step by Step Solution
- Step 1: Write the proportion equation
75,749.88 : 104,534.80 = 41,758.94 : x - Step 2: Convert to fraction form
75,749.88/104,534.80 = 41,758.94/x - Step 3: Cross multiply
75,749.88x = 104,534.80 × 41,758.94 - Step 4: Simplify right side
75,749.88x = 4,365,262,441.11 - Step 5: Solve for x
x = 4,365,262,441.11/75,749.88 - Step 6: Final answer
x = 57,627.32
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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.