Finding the Fourth Proportional to 86,343.84, 119,163.60 and 50,545.44
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Solution
The fourth proportional to 86,343.84, 119,163.60 and 50,545.44 is: 69,758.03
Step by Step Solution
- Step 1: Write the proportion equation
86,343.84 : 119,163.60 = 50,545.44 : x - Step 2: Convert to fraction form
86,343.84/119,163.60 = 50,545.44/x - Step 3: Cross multiply
86,343.84x = 119,163.60 × 50,545.44 - Step 4: Simplify right side
86,343.84x = 6,023,176,593.98 - Step 5: Solve for x
x = 6,023,176,593.98/86,343.84 - Step 6: Final answer
x = 69,758.03
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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.