Finding the Fourth Proportional to 75,291.99, 103,904.91 and 41,301.96
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Solution
The fourth proportional to 75,291.99, 103,904.91 and 41,301.96 is: 56,997.78
Step by Step Solution
- Step 1: Write the proportion equation
75,291.99 : 103,904.91 = 41,301.96 : x - Step 2: Convert to fraction form
75,291.99/103,904.91 = 41,301.96/x - Step 3: Cross multiply
75,291.99x = 103,904.91 × 41,301.96 - Step 4: Simplify right side
75,291.99x = 4,291,476,436.62 - Step 5: Solve for x
x = 4,291,476,436.62/75,291.99 - Step 6: Final answer
x = 56,997.78
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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.