Finding the Fourth Proportional to 79,798.68, 110,122.92 and 43,989.99
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Solution
The fourth proportional to 79,798.68, 110,122.92 and 43,989.99 is: 60,706.60
Step by Step Solution
- Step 1: Write the proportion equation
79,798.68 : 110,122.92 = 43,989.99 : x - Step 2: Convert to fraction form
79,798.68/110,122.92 = 43,989.99/x - Step 3: Cross multiply
79,798.68x = 110,122.92 × 43,989.99 - Step 4: Simplify right side
79,798.68x = 4,844,306,149.57 - Step 5: Solve for x
x = 4,844,306,149.57/79,798.68 - Step 6: Final answer
x = 60,706.60
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1.5x scale
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.