Finding the Fourth Proportional to 75,731.37, 104,505.02 and 41,739.75
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Solution
The fourth proportional to 75,731.37, 104,505.02 and 41,739.75 is: 57,598.50
Step by Step Solution
- Step 1: Write the proportion equation
75,731.37 : 104,505.02 = 41,739.75 : x - Step 2: Convert to fraction form
75,731.37/104,505.02 = 41,739.75/x - Step 3: Cross multiply
75,731.37x = 104,505.02 × 41,739.75 - Step 4: Simplify right side
75,731.37x = 4,362,013,408.55 - Step 5: Solve for x
x = 4,362,013,408.55/75,731.37 - Step 6: Final answer
x = 57,598.50
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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.