Finding the Fourth Proportional to 68,263.40, 102,395.34 and 26,133.68
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Solution
The fourth proportional to 68,263.40, 102,395.34 and 26,133.68 is: 39,200.61
Step by Step Solution
- Step 1: Write the proportion equation
68,263.40 : 102,395.34 = 26,133.68 : x - Step 2: Convert to fraction form
68,263.40/102,395.34 = 26,133.68/x - Step 3: Cross multiply
68,263.40x = 102,395.34 × 26,133.68 - Step 4: Simplify right side
68,263.40x = 2,675,967,049.05 - Step 5: Solve for x
x = 2,675,967,049.05/68,263.40 - Step 6: Final answer
x = 39,200.61
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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.