Finding the Fourth Proportional to 75,771.93, 104,565.99 and 41,781.75
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Solution
The fourth proportional to 75,771.93, 104,565.99 and 41,781.75 is: 57,659.22
Step by Step Solution
- Step 1: Write the proportion equation
75,771.93 : 104,565.99 = 41,781.75 : x - Step 2: Convert to fraction form
75,771.93/104,565.99 = 41,781.75/x - Step 3: Cross multiply
75,771.93x = 104,565.99 × 41,781.75 - Step 4: Simplify right side
75,771.93x = 4,368,950,052.68 - Step 5: Solve for x
x = 4,368,950,052.68/75,771.93 - Step 6: Final answer
x = 57,659.22
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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.