Finding the Fourth Proportional to 75,396.92, 104,001.45 and 54,204.62
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Solution
The fourth proportional to 75,396.92, 104,001.45 and 54,204.62 is: 74,769.09
Step by Step Solution
- Step 1: Write the proportion equation
75,396.92 : 104,001.45 = 54,204.62 : x - Step 2: Convert to fraction form
75,396.92/104,001.45 = 54,204.62/x - Step 3: Cross multiply
75,396.92x = 104,001.45 × 54,204.62 - Step 4: Simplify right side
75,396.92x = 5,637,359,076.70 - Step 5: Solve for x
x = 5,637,359,076.70/75,396.92 - Step 6: Final answer
x = 74,769.09
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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.