Finding the Fourth Proportional to 70,883.76, 106,325.64 and 48,629.68
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Solution
The fourth proportional to 70,883.76, 106,325.64 and 48,629.68 is: 72,944.52
Step by Step Solution
- Step 1: Write the proportion equation
70,883.76 : 106,325.64 = 48,629.68 : x - Step 2: Convert to fraction form
70,883.76/106,325.64 = 48,629.68/x - Step 3: Cross multiply
70,883.76x = 106,325.64 × 48,629.68 - Step 4: Simplify right side
70,883.76x = 5,170,581,849.00 - Step 5: Solve for x
x = 5,170,581,849.00/70,883.76 - Step 6: Final answer
x = 72,944.52
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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.