Finding the Fourth Proportional to 75,204.06, 103,785.75 and 41,669.34
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Solution
The fourth proportional to 75,204.06, 103,785.75 and 41,669.34 is: 57,505.99
Step by Step Solution
- Step 1: Write the proportion equation
75,204.06 : 103,785.75 = 41,669.34 : x - Step 2: Convert to fraction form
75,204.06/103,785.75 = 41,669.34/x - Step 3: Cross multiply
75,204.06x = 103,785.75 × 41,669.34 - Step 4: Simplify right side
75,204.06x = 4,324,683,703.91 - Step 5: Solve for x
x = 4,324,683,703.91/75,204.06 - Step 6: Final answer
x = 57,505.99
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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.