Finding the Fourth Proportional to 92,221.79, 138,336.11 and 32,238.53
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Solution
The fourth proportional to 92,221.79, 138,336.11 and 32,238.53 is: 48,358.99
Step by Step Solution
- Step 1: Write the proportion equation
92,221.79 : 138,336.11 = 32,238.53 : x - Step 2: Convert to fraction form
92,221.79/138,336.11 = 32,238.53/x - Step 3: Cross multiply
92,221.79x = 138,336.11 × 32,238.53 - Step 4: Simplify right side
92,221.79x = 4,459,751,979.45 - Step 5: Solve for x
x = 4,459,751,979.45/92,221.79 - Step 6: Final answer
x = 48,358.99
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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.