Finding the Fourth Proportional to 75,352.24, 103,987.36 and 41,363.92
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Solution
The fourth proportional to 75,352.24, 103,987.36 and 41,363.92 is: 57,082.91
Step by Step Solution
- Step 1: Write the proportion equation
75,352.24 : 103,987.36 = 41,363.92 : x - Step 2: Convert to fraction form
75,352.24/103,987.36 = 41,363.92/x - Step 3: Cross multiply
75,352.24x = 103,987.36 × 41,363.92 - Step 4: Simplify right side
75,352.24x = 4,301,324,840.05 - Step 5: Solve for x
x = 4,301,324,840.05/75,352.24 - Step 6: Final answer
x = 57,082.91
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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.