Finding the Fourth Proportional to 75,614.36, 104,347.02 and 41,622.12
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Solution
The fourth proportional to 75,614.36, 104,347.02 and 41,622.12 is: 57,438.09
Step by Step Solution
- Step 1: Write the proportion equation
75,614.36 : 104,347.02 = 41,622.12 : x - Step 2: Convert to fraction form
75,614.36/104,347.02 = 41,622.12/x - Step 3: Cross multiply
75,614.36x = 104,347.02 × 41,622.12 - Step 4: Simplify right side
75,614.36x = 4,343,144,110.04 - Step 5: Solve for x
x = 4,343,144,110.04/75,614.36 - Step 6: Final answer
x = 57,438.09
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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.