Finding the Fourth Proportional to 71,118.36, 106,688.34 and 26,748.18
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Solution
The fourth proportional to 71,118.36, 106,688.34 and 26,748.18 is: 40,126.33
Step by Step Solution
- Step 1: Write the proportion equation
71,118.36 : 106,688.34 = 26,748.18 : x - Step 2: Convert to fraction form
71,118.36/106,688.34 = 26,748.18/x - Step 3: Cross multiply
71,118.36x = 106,688.34 × 26,748.18 - Step 4: Simplify right side
71,118.36x = 2,853,718,922.22 - Step 5: Solve for x
x = 2,853,718,922.22/71,118.36 - Step 6: Final answer
x = 40,126.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.