Finding the Fourth Proportional to 92,331.73, 138,448.36 and 47,913.76
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Solution
The fourth proportional to 92,331.73, 138,448.36 and 47,913.76 is: 71,845.09
Step by Step Solution
- Step 1: Write the proportion equation
92,331.73 : 138,448.36 = 47,913.76 : x - Step 2: Convert to fraction form
92,331.73/138,448.36 = 47,913.76/x - Step 3: Cross multiply
92,331.73x = 138,448.36 × 47,913.76 - Step 4: Simplify right side
92,331.73x = 6,633,581,493.43 - Step 5: Solve for x
x = 6,633,581,493.43/92,331.73 - Step 6: Final answer
x = 71,845.09
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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.