Finding the Fourth Proportional to 74,593.09, 102,938.42 and 41,059.09
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Solution
The fourth proportional to 74,593.09, 102,938.42 and 41,059.09 is: 56,661.52
Step by Step Solution
- Step 1: Write the proportion equation
74,593.09 : 102,938.42 = 41,059.09 : x - Step 2: Convert to fraction form
74,593.09/102,938.42 = 41,059.09/x - Step 3: Cross multiply
74,593.09x = 102,938.42 × 41,059.09 - Step 4: Simplify right side
74,593.09x = 4,226,557,645.94 - Step 5: Solve for x
x = 4,226,557,645.94/74,593.09 - Step 6: Final answer
x = 56,661.52
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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.