Finding the Fourth Proportional to 79,751.79, 119,620.40 and 24,347.79
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Solution
The fourth proportional to 79,751.79, 119,620.40 and 24,347.79 is: 36,519.46
Step by Step Solution
- Step 1: Write the proportion equation
79,751.79 : 119,620.40 = 24,347.79 : x - Step 2: Convert to fraction form
79,751.79/119,620.40 = 24,347.79/x - Step 3: Cross multiply
79,751.79x = 119,620.40 × 24,347.79 - Step 4: Simplify right side
79,751.79x = 2,912,492,257.18 - Step 5: Solve for x
x = 2,912,492,257.18/79,751.79 - Step 6: Final answer
x = 36,519.46
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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.