Finding the Fourth Proportional to 71,294.44, 106,908.66 and 40,129.68
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Solution
The fourth proportional to 71,294.44, 106,908.66 and 40,129.68 is: 60,175.95
Step by Step Solution
- Step 1: Write the proportion equation
71,294.44 : 106,908.66 = 40,129.68 : x - Step 2: Convert to fraction form
71,294.44/106,908.66 = 40,129.68/x - Step 3: Cross multiply
71,294.44x = 106,908.66 × 40,129.68 - Step 4: Simplify right side
71,294.44x = 4,290,210,315.03 - Step 5: Solve for x
x = 4,290,210,315.03/71,294.44 - Step 6: Final answer
x = 60,175.95
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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.