Finding the Fourth Proportional to 79,737.60, 119,622.12 and 22,812.03
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Solution
The fourth proportional to 79,737.60, 119,622.12 and 22,812.03 is: 34,222.54
Step by Step Solution
- Step 1: Write the proportion equation
79,737.60 : 119,622.12 = 22,812.03 : x - Step 2: Convert to fraction form
79,737.60/119,622.12 = 22,812.03/x - Step 3: Cross multiply
79,737.60x = 119,622.12 × 22,812.03 - Step 4: Simplify right side
79,737.60x = 2,728,823,390.10 - Step 5: Solve for x
x = 2,728,823,390.10/79,737.60 - Step 6: Final answer
x = 34,222.54
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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.