Finding the Fourth Proportional to 79,797.41, 110,120.39 and 43,988.02
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Solution
The fourth proportional to 79,797.41, 110,120.39 and 43,988.02 is: 60,703.45
Step by Step Solution
- Step 1: Write the proportion equation
79,797.41 : 110,120.39 = 43,988.02 : x - Step 2: Convert to fraction form
79,797.41/110,120.39 = 43,988.02/x - Step 3: Cross multiply
79,797.41x = 110,120.39 × 43,988.02 - Step 4: Simplify right side
79,797.41x = 4,843,977,917.73 - Step 5: Solve for x
x = 4,843,977,917.73/79,797.41 - Step 6: Final answer
x = 60,703.45
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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.