Finding the Fourth Proportional to 79,936.47, 110,313.09 and 44,125.71
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Solution
The fourth proportional to 79,936.47, 110,313.09 and 44,125.71 is: 60,893.90
Step by Step Solution
- Step 1: Write the proportion equation
79,936.47 : 110,313.09 = 44,125.71 : x - Step 2: Convert to fraction form
79,936.47/110,313.09 = 44,125.71/x - Step 3: Cross multiply
79,936.47x = 110,313.09 × 44,125.71 - Step 4: Simplify right side
79,936.47x = 4,867,643,418.54 - Step 5: Solve for x
x = 4,867,643,418.54/79,936.47 - Step 6: Final answer
x = 60,893.90
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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.