Finding the Fourth Proportional to 104,620.78, 144,373.68 and 59,302.96
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Solution
The fourth proportional to 104,620.78, 144,373.68 and 59,302.96 is: 81,836.39
Step by Step Solution
- Step 1: Write the proportion equation
104,620.78 : 144,373.68 = 59,302.96 : x - Step 2: Convert to fraction form
104,620.78/144,373.68 = 59,302.96/x - Step 3: Cross multiply
104,620.78x = 144,373.68 × 59,302.96 - Step 4: Simplify right side
104,620.78x = 8,561,786,570.09 - Step 5: Solve for x
x = 8,561,786,570.09/104,620.78 - Step 6: Final answer
x = 81,836.39
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1.5x scale
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.