Finding the Fourth Proportional to 97,243.88, 145,890.45 and 27,123.26
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Solution
The fourth proportional to 97,243.88, 145,890.45 and 27,123.26 is: 40,691.75
Step by Step Solution
- Step 1: Write the proportion equation
97,243.88 : 145,890.45 = 27,123.26 : x - Step 2: Convert to fraction form
97,243.88/145,890.45 = 27,123.26/x - Step 3: Cross multiply
97,243.88x = 145,890.45 × 27,123.26 - Step 4: Simplify right side
97,243.88x = 3,957,023,877.41 - Step 5: Solve for x
x = 3,957,023,877.41/97,243.88 - Step 6: Final answer
x = 40,691.75
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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.