Finding the Fourth Proportional to 75,618.41, 113,497.70 and 38,204.82
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Solution
The fourth proportional to 75,618.41, 113,497.70 and 38,204.82 is: 57,342.64
Step by Step Solution
- Step 1: Write the proportion equation
75,618.41 : 113,497.70 = 38,204.82 : x - Step 2: Convert to fraction form
75,618.41/113,497.70 = 38,204.82/x - Step 3: Cross multiply
75,618.41x = 113,497.70 × 38,204.82 - Step 4: Simplify right side
75,618.41x = 4,336,159,007.89 - Step 5: Solve for x
x = 4,336,159,007.89/75,618.41 - Step 6: Final answer
x = 57,342.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.