Finding the Fourth Proportional to 71,090.19, 106,618.87 and 26,721.42
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Solution
The fourth proportional to 71,090.19, 106,618.87 and 26,721.42 is: 40,075.96
Step by Step Solution
- Step 1: Write the proportion equation
71,090.19 : 106,618.87 = 26,721.42 : x - Step 2: Convert to fraction form
71,090.19/106,618.87 = 26,721.42/x - Step 3: Cross multiply
71,090.19x = 106,618.87 × 26,721.42 - Step 4: Simplify right side
71,090.19x = 2,849,007,605.20 - Step 5: Solve for x
x = 2,849,007,605.20/71,090.19 - Step 6: Final answer
x = 40,075.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.