Finding the Fourth Proportional to 79,798.73, 110,122.97 and 43,990.02
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Solution
The fourth proportional to 79,798.73, 110,122.97 and 43,990.02 is: 60,706.63
Step by Step Solution
- Step 1: Write the proportion equation
79,798.73 : 110,122.97 = 43,990.02 : x - Step 2: Convert to fraction form
79,798.73/110,122.97 = 43,990.02/x - Step 3: Cross multiply
79,798.73x = 110,122.97 × 43,990.02 - Step 4: Simplify right side
79,798.73x = 4,844,311,432.81 - Step 5: Solve for x
x = 4,844,311,432.81/79,798.73 - Step 6: Final answer
x = 60,706.63
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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.