Finding the Fourth Proportional to 103,683.21, 155,545.16 and 47,524.70
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Solution
The fourth proportional to 103,683.21, 155,545.16 and 47,524.70 is: 71,296.37
Step by Step Solution
- Step 1: Write the proportion equation
103,683.21 : 155,545.16 = 47,524.70 : x - Step 2: Convert to fraction form
103,683.21/155,545.16 = 47,524.70/x - Step 3: Cross multiply
103,683.21x = 155,545.16 × 47,524.70 - Step 4: Simplify right side
103,683.21x = 7,392,236,050.10 - Step 5: Solve for x
x = 7,392,236,050.10/103,683.21 - Step 6: Final answer
x = 71,296.37
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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.