Finding the Fourth Proportional to 75,753.27, 104,539.48 and 41,762.33
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Solution
The fourth proportional to 75,753.27, 104,539.48 and 41,762.33 is: 57,631.99
Step by Step Solution
- Step 1: Write the proportion equation
75,753.27 : 104,539.48 = 41,762.33 : x - Step 2: Convert to fraction form
75,753.27/104,539.48 = 41,762.33/x - Step 3: Cross multiply
75,753.27x = 104,539.48 × 41,762.33 - Step 4: Simplify right side
75,753.27x = 4,365,812,026.71 - Step 5: Solve for x
x = 4,365,812,026.71/75,753.27 - Step 6: Final answer
x = 57,631.99
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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.