Finding the Fourth Proportional to 75,431.24, 104,083.54 and 43,593.99
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Solution
The fourth proportional to 75,431.24, 104,083.54 and 43,593.99 is: 60,153.02
Step by Step Solution
- Step 1: Write the proportion equation
75,431.24 : 104,083.54 = 43,593.99 : x - Step 2: Convert to fraction form
75,431.24/104,083.54 = 43,593.99/x - Step 3: Cross multiply
75,431.24x = 104,083.54 × 43,593.99 - Step 4: Simplify right side
75,431.24x = 4,537,416,801.92 - Step 5: Solve for x
x = 4,537,416,801.92/75,431.24 - Step 6: Final answer
x = 60,153.02
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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.