Finding the Fourth Proportional to 68,197.60, 102,515.10 and 48,611.80
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Solution
The fourth proportional to 68,197.60, 102,515.10 and 48,611.80 is: 73,073.59
Step by Step Solution
- Step 1: Write the proportion equation
68,197.60 : 102,515.10 = 48,611.80 : x - Step 2: Convert to fraction form
68,197.60/102,515.10 = 48,611.80/x - Step 3: Cross multiply
68,197.60x = 102,515.10 × 48,611.80 - Step 4: Simplify right side
68,197.60x = 4,983,443,538.18 - Step 5: Solve for x
x = 4,983,443,538.18/68,197.60 - Step 6: Final answer
x = 73,073.59
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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.