Finding the Fourth Proportional to 75,206.56, 103,789.20 and 41,671.84
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Solution
The fourth proportional to 75,206.56, 103,789.20 and 41,671.84 is: 57,509.44
Step by Step Solution
- Step 1: Write the proportion equation
75,206.56 : 103,789.20 = 41,671.84 : x - Step 2: Convert to fraction form
75,206.56/103,789.20 = 41,671.84/x - Step 3: Cross multiply
75,206.56x = 103,789.20 × 41,671.84 - Step 4: Simplify right side
75,206.56x = 4,325,086,936.13 - Step 5: Solve for x
x = 4,325,086,936.13/75,206.56 - Step 6: Final answer
x = 57,509.44
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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.