Finding the Fourth Proportional to 79,684.79, 119,600.99 and 40,269.57
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Solution
The fourth proportional to 79,684.79, 119,600.99 and 40,269.57 is: 60,441.65
Step by Step Solution
- Step 1: Write the proportion equation
79,684.79 : 119,600.99 = 40,269.57 : x - Step 2: Convert to fraction form
79,684.79/119,600.99 = 40,269.57/x - Step 3: Cross multiply
79,684.79x = 119,600.99 × 40,269.57 - Step 4: Simplify right side
79,684.79x = 4,816,280,237.53 - Step 5: Solve for x
x = 4,816,280,237.53/79,684.79 - Step 6: Final answer
x = 60,441.65
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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.