Finding the Fourth Proportional to 95,117.68, 142,676.34 and 28,557.70
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Solution
The fourth proportional to 95,117.68, 142,676.34 and 28,557.70 is: 42,836.50
Step by Step Solution
- Step 1: Write the proportion equation
95,117.68 : 142,676.34 = 28,557.70 : x - Step 2: Convert to fraction form
95,117.68/142,676.34 = 28,557.70/x - Step 3: Cross multiply
95,117.68x = 142,676.34 × 28,557.70 - Step 4: Simplify right side
95,117.68x = 4,074,508,114.82 - Step 5: Solve for x
x = 4,074,508,114.82/95,117.68 - Step 6: Final answer
x = 42,836.50
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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.