Finding the Fourth Proportional to 75,703.68, 104,473.80 and 41,713.92
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Solution
The fourth proportional to 75,703.68, 104,473.80 and 41,713.92 is: 57,566.71
Step by Step Solution
- Step 1: Write the proportion equation
75,703.68 : 104,473.80 = 41,713.92 : x - Step 2: Convert to fraction form
75,703.68/104,473.80 = 41,713.92/x - Step 3: Cross multiply
75,703.68x = 104,473.80 × 41,713.92 - Step 4: Simplify right side
75,703.68x = 4,358,011,735.30 - Step 5: Solve for x
x = 4,358,011,735.30/75,703.68 - Step 6: Final answer
x = 57,566.71
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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.