Finding the Fourth Proportional to 75,850.38, 104,673.57 and 42,316.38
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Solution
The fourth proportional to 75,850.38, 104,673.57 and 42,316.38 is: 58,396.62
Step by Step Solution
- Step 1: Write the proportion equation
75,850.38 : 104,673.57 = 42,316.38 : x - Step 2: Convert to fraction form
75,850.38/104,673.57 = 42,316.38/x - Step 3: Cross multiply
75,850.38x = 104,673.57 × 42,316.38 - Step 4: Simplify right side
75,850.38x = 4,429,405,829.13 - Step 5: Solve for x
x = 4,429,405,829.13/75,850.38 - Step 6: Final answer
x = 58,396.62
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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.