Finding the Fourth Proportional to 73,867.20, 110,728.80 and 42,244.80
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Solution
The fourth proportional to 73,867.20, 110,728.80 and 42,244.80 is: 63,326.02
Step by Step Solution
- Step 1: Write the proportion equation
73,867.20 : 110,728.80 = 42,244.80 : x - Step 2: Convert to fraction form
73,867.20/110,728.80 = 42,244.80/x - Step 3: Cross multiply
73,867.20x = 110,728.80 × 42,244.80 - Step 4: Simplify right side
73,867.20x = 4,677,716,010.24 - Step 5: Solve for x
x = 4,677,716,010.24/73,867.20 - Step 6: Final answer
x = 63,326.02
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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.