Finding the Fourth Proportional to 84,652.99, 126,868.08 and 47,230.68
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Solution
The fourth proportional to 84,652.99, 126,868.08 and 47,230.68 is: 70,783.86
Step by Step Solution
- Step 1: Write the proportion equation
84,652.99 : 126,868.08 = 47,230.68 : x - Step 2: Convert to fraction form
84,652.99/126,868.08 = 47,230.68/x - Step 3: Cross multiply
84,652.99x = 126,868.08 × 47,230.68 - Step 4: Simplify right side
84,652.99x = 5,992,065,688.69 - Step 5: Solve for x
x = 5,992,065,688.69/84,652.99 - Step 6: Final answer
x = 70,783.86
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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.