Finding the Fourth Proportional to 103,896.60, 155,733.12 and 44,760.12
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Solution
The fourth proportional to 103,896.60, 155,733.12 and 44,760.12 is: 67,092.02
Step by Step Solution
- Step 1: Write the proportion equation
103,896.60 : 155,733.12 = 44,760.12 : x - Step 2: Convert to fraction form
103,896.60/155,733.12 = 44,760.12/x - Step 3: Cross multiply
103,896.60x = 155,733.12 × 44,760.12 - Step 4: Simplify right side
103,896.60x = 6,970,633,139.17 - Step 5: Solve for x
x = 6,970,633,139.17/103,896.60 - Step 6: Final answer
x = 67,092.02
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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.