Finding the Fourth Proportional to 75,754.08, 104,502.18 and 57,817.95
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Solution
The fourth proportional to 75,754.08, 104,502.18 and 57,817.95 is: 79,759.42
Step by Step Solution
- Step 1: Write the proportion equation
75,754.08 : 104,502.18 = 57,817.95 : x - Step 2: Convert to fraction form
75,754.08/104,502.18 = 57,817.95/x - Step 3: Cross multiply
75,754.08x = 104,502.18 × 57,817.95 - Step 4: Simplify right side
75,754.08x = 6,042,101,818.13 - Step 5: Solve for x
x = 6,042,101,818.13/75,754.08 - Step 6: Final answer
x = 79,759.42
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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.