Finding the Fourth Proportional to 72,496.08, 108,754.02 and 68,122.08
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Solution
The fourth proportional to 72,496.08, 108,754.02 and 68,122.08 is: 102,192.42
Step by Step Solution
- Step 1: Write the proportion equation
72,496.08 : 108,754.02 = 68,122.08 : x - Step 2: Convert to fraction form
72,496.08/108,754.02 = 68,122.08/x - Step 3: Cross multiply
72,496.08x = 108,754.02 × 68,122.08 - Step 4: Simplify right side
72,496.08x = 7,408,550,050.76 - Step 5: Solve for x
x = 7,408,550,050.76/72,496.08 - Step 6: Final answer
x = 102,192.42
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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.