Finding the Fourth Proportional to 92,553.36, 138,731.76 and 48,135.66
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Solution
The fourth proportional to 92,553.36, 138,731.76 and 48,135.66 is: 72,152.38
Step by Step Solution
- Step 1: Write the proportion equation
92,553.36 : 138,731.76 = 48,135.66 : x - Step 2: Convert to fraction form
92,553.36/138,731.76 = 48,135.66/x - Step 3: Cross multiply
92,553.36x = 138,731.76 × 48,135.66 - Step 4: Simplify right side
92,553.36x = 6,677,944,830.56 - Step 5: Solve for x
x = 6,677,944,830.56/92,553.36 - Step 6: Final answer
x = 72,152.38
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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.