Finding the Fourth Proportional to 75,702.99, 104,513.43 and 50,243.88
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Solution
The fourth proportional to 75,702.99, 104,513.43 and 50,243.88 is: 69,365.30
Step by Step Solution
- Step 1: Write the proportion equation
75,702.99 : 104,513.43 = 50,243.88 : x - Step 2: Convert to fraction form
75,702.99/104,513.43 = 50,243.88/x - Step 3: Cross multiply
75,702.99x = 104,513.43 × 50,243.88 - Step 4: Simplify right side
75,702.99x = 5,251,160,235.31 - Step 5: Solve for x
x = 5,251,160,235.31/75,702.99 - Step 6: Final answer
x = 69,365.30
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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.