Finding the Fourth Proportional to 75,865.23, 104,694.02 and 42,331.23
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Solution
The fourth proportional to 75,865.23, 104,694.02 and 42,331.23 is: 58,417.09
Step by Step Solution
- Step 1: Write the proportion equation
75,865.23 : 104,694.02 = 42,331.23 : x - Step 2: Convert to fraction form
75,865.23/104,694.02 = 42,331.23/x - Step 3: Cross multiply
75,865.23x = 104,694.02 × 42,331.23 - Step 4: Simplify right side
75,865.23x = 4,431,825,905.12 - Step 5: Solve for x
x = 4,431,825,905.12/75,865.23 - Step 6: Final answer
x = 58,417.09
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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.