Finding the Fourth Proportional to 79,631.19, 119,464.07 and 24,225.75
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Solution
The fourth proportional to 79,631.19, 119,464.07 and 24,225.75 is: 36,343.88
Step by Step Solution
- Step 1: Write the proportion equation
79,631.19 : 119,464.07 = 24,225.75 : x - Step 2: Convert to fraction form
79,631.19/119,464.07 = 24,225.75/x - Step 3: Cross multiply
79,631.19x = 119,464.07 × 24,225.75 - Step 4: Simplify right side
79,631.19x = 2,894,106,572.67 - Step 5: Solve for x
x = 2,894,106,572.67/79,631.19 - Step 6: Final answer
x = 36,343.88
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1.5x scale
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.