Finding the Fourth Proportional to 75,721.41, 104,497.74 and 41,732.09
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Solution
The fourth proportional to 75,721.41, 104,497.74 and 41,732.09 is: 57,591.48
Step by Step Solution
- Step 1: Write the proportion equation
75,721.41 : 104,497.74 = 41,732.09 : x - Step 2: Convert to fraction form
75,721.41/104,497.74 = 41,732.09/x - Step 3: Cross multiply
75,721.41x = 104,497.74 × 41,732.09 - Step 4: Simplify right side
75,721.41x = 4,360,908,460.55 - Step 5: Solve for x
x = 4,360,908,460.55/75,721.41 - Step 6: Final answer
x = 57,591.48
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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.