Finding the Fourth Proportional to 80,332.47, 110,855.79 and 44,523.09
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Solution
The fourth proportional to 80,332.47, 110,855.79 and 44,523.09 is: 61,440.19
Step by Step Solution
- Step 1: Write the proportion equation
80,332.47 : 110,855.79 = 44,523.09 : x - Step 2: Convert to fraction form
80,332.47/110,855.79 = 44,523.09/x - Step 3: Cross multiply
80,332.47x = 110,855.79 × 44,523.09 - Step 4: Simplify right side
80,332.47x = 4,935,642,315.19 - Step 5: Solve for x
x = 4,935,642,315.19/80,332.47 - Step 6: Final answer
x = 61,440.19
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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.