Finding the Fourth Proportional to 75,830.63, 104,647.35 and 41,840.60
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Solution
The fourth proportional to 75,830.63, 104,647.35 and 41,840.60 is: 57,740.62
Step by Step Solution
- Step 1: Write the proportion equation
75,830.63 : 104,647.35 = 41,840.60 : x - Step 2: Convert to fraction form
75,830.63/104,647.35 = 41,840.60/x - Step 3: Cross multiply
75,830.63x = 104,647.35 × 41,840.60 - Step 4: Simplify right side
75,830.63x = 4,378,507,912.41 - Step 5: Solve for x
x = 4,378,507,912.41/75,830.63 - Step 6: Final answer
x = 57,740.62
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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.