Finding the Fourth Proportional to 106,479.41, 159,611.27 and 69,063.23
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Solution
The fourth proportional to 106,479.41, 159,611.27 and 69,063.23 is: 103,524.90
Step by Step Solution
- Step 1: Write the proportion equation
106,479.41 : 159,611.27 = 69,063.23 : x - Step 2: Convert to fraction form
106,479.41/159,611.27 = 69,063.23/x - Step 3: Cross multiply
106,479.41x = 159,611.27 × 69,063.23 - Step 4: Simplify right side
106,479.41x = 11,023,269,225.20 - Step 5: Solve for x
x = 11,023,269,225.20/106,479.41 - Step 6: Final answer
x = 103,524.90
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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.