Finding the Fourth Proportional to 90,704.77, 136,010.50 and 40,741.99
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Solution
The fourth proportional to 90,704.77, 136,010.50 and 40,741.99 is: 61,092.03
Step by Step Solution
- Step 1: Write the proportion equation
90,704.77 : 136,010.50 = 40,741.99 : x - Step 2: Convert to fraction form
90,704.77/136,010.50 = 40,741.99/x - Step 3: Cross multiply
90,704.77x = 136,010.50 × 40,741.99 - Step 4: Simplify right side
90,704.77x = 5,541,337,989.01 - Step 5: Solve for x
x = 5,541,337,989.01/90,704.77 - Step 6: Final answer
x = 61,092.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.