Finding the Fourth Proportional to 75,646.92, 104,391.87 and 41,654.70
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Solution
The fourth proportional to 75,646.92, 104,391.87 and 41,654.70 is: 57,483.00
Step by Step Solution
- Step 1: Write the proportion equation
75,646.92 : 104,391.87 = 41,654.70 : x - Step 2: Convert to fraction form
75,646.92/104,391.87 = 41,654.70/x - Step 3: Cross multiply
75,646.92x = 104,391.87 × 41,654.70 - Step 4: Simplify right side
75,646.92x = 4,348,412,027.29 - Step 5: Solve for x
x = 4,348,412,027.29/75,646.92 - Step 6: Final answer
x = 57,483.00
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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.