Finding the Fourth Proportional to 74,349.09, 102,600.09 and 41,638.05
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Solution
The fourth proportional to 74,349.09, 102,600.09 and 41,638.05 is: 57,459.58
Step by Step Solution
- Step 1: Write the proportion equation
74,349.09 : 102,600.09 = 41,638.05 : x - Step 2: Convert to fraction form
74,349.09/102,600.09 = 41,638.05/x - Step 3: Cross multiply
74,349.09x = 102,600.09 × 41,638.05 - Step 4: Simplify right side
74,349.09x = 4,272,067,677.42 - Step 5: Solve for x
x = 4,272,067,677.42/74,349.09 - Step 6: Final answer
x = 57,459.58
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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.