Finding the Fourth Proportional to 124,083.68, 186,107.94 and 39,832.75
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Solution
The fourth proportional to 124,083.68, 186,107.94 and 39,832.75 is: 59,743.48
Step by Step Solution
- Step 1: Write the proportion equation
124,083.68 : 186,107.94 = 39,832.75 : x - Step 2: Convert to fraction form
124,083.68/186,107.94 = 39,832.75/x - Step 3: Cross multiply
124,083.68x = 186,107.94 × 39,832.75 - Step 4: Simplify right side
124,083.68x = 7,413,190,731.14 - Step 5: Solve for x
x = 7,413,190,731.14/124,083.68 - Step 6: Final answer
x = 59,743.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.