Finding the Fourth Proportional to 97,049.44, 145,451.28 and 47,140.96
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Solution
The fourth proportional to 97,049.44, 145,451.28 and 47,140.96 is: 70,651.75
Step by Step Solution
- Step 1: Write the proportion equation
97,049.44 : 145,451.28 = 47,140.96 : x - Step 2: Convert to fraction form
97,049.44/145,451.28 = 47,140.96/x - Step 3: Cross multiply
97,049.44x = 145,451.28 × 47,140.96 - Step 4: Simplify right side
97,049.44x = 6,856,712,972.43 - Step 5: Solve for x
x = 6,856,712,972.43/97,049.44 - Step 6: Final answer
x = 70,651.75
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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.