Finding the Fourth Proportional to 96,942.60, 145,422.18 and 26,821.80
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Solution
The fourth proportional to 96,942.60, 145,422.18 and 26,821.80 is: 40,234.99
Step by Step Solution
- Step 1: Write the proportion equation
96,942.60 : 145,422.18 = 26,821.80 : x - Step 2: Convert to fraction form
96,942.60/145,422.18 = 26,821.80/x - Step 3: Cross multiply
96,942.60x = 145,422.18 × 26,821.80 - Step 4: Simplify right side
96,942.60x = 3,900,484,627.52 - Step 5: Solve for x
x = 3,900,484,627.52/96,942.60 - Step 6: Final answer
x = 40,234.99
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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.