Finding the Fourth Proportional to 79,924.32, 110,293.88 and 43,624.57
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Solution
The fourth proportional to 79,924.32, 110,293.88 and 43,624.57 is: 60,200.99
Step by Step Solution
- Step 1: Write the proportion equation
79,924.32 : 110,293.88 = 43,624.57 : x - Step 2: Convert to fraction form
79,924.32/110,293.88 = 43,624.57/x - Step 3: Cross multiply
79,924.32x = 110,293.88 × 43,624.57 - Step 4: Simplify right side
79,924.32x = 4,811,523,088.63 - Step 5: Solve for x
x = 4,811,523,088.63/79,924.32 - Step 6: Final answer
x = 60,200.99
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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.