Finding the Fourth Proportional to 75,723.13, 104,498.63 and 41,732.84
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Solution
The fourth proportional to 75,723.13, 104,498.63 and 41,732.84 is: 57,591.72
Step by Step Solution
- Step 1: Write the proportion equation
75,723.13 : 104,498.63 = 41,732.84 : x - Step 2: Convert to fraction form
75,723.13/104,498.63 = 41,732.84/x - Step 3: Cross multiply
75,723.13x = 104,498.63 × 41,732.84 - Step 4: Simplify right side
75,723.13x = 4,361,024,971.59 - Step 5: Solve for x
x = 4,361,024,971.59/75,723.13 - Step 6: Final answer
x = 57,591.72
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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.