Finding the Fourth Proportional to 80,431.48, 111,008.76 and 44,632.99
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Solution
The fourth proportional to 80,431.48, 111,008.76 and 44,632.99 is: 61,600.91
Step by Step Solution
- Step 1: Write the proportion equation
80,431.48 : 111,008.76 = 44,632.99 : x - Step 2: Convert to fraction form
80,431.48/111,008.76 = 44,632.99/x - Step 3: Cross multiply
80,431.48x = 111,008.76 × 44,632.99 - Step 4: Simplify right side
80,431.48x = 4,954,652,319.95 - Step 5: Solve for x
x = 4,954,652,319.95/80,431.48 - Step 6: Final answer
x = 61,600.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.