Finding the Fourth Proportional to 75,866.49, 104,690.21 and 41,875.02
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Solution
The fourth proportional to 75,866.49, 104,690.21 and 41,875.02 is: 57,784.46
Step by Step Solution
- Step 1: Write the proportion equation
75,866.49 : 104,690.21 = 41,875.02 : x - Step 2: Convert to fraction form
75,866.49/104,690.21 = 41,875.02/x - Step 3: Cross multiply
75,866.49x = 104,690.21 × 41,875.02 - Step 4: Simplify right side
75,866.49x = 4,383,904,428.18 - Step 5: Solve for x
x = 4,383,904,428.18/75,866.49 - Step 6: Final answer
x = 57,784.46
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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.