Finding the Fourth Proportional to 96,508.37, 133,170.80 and 56,213.70
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Solution
The fourth proportional to 96,508.37, 133,170.80 and 56,213.70 is: 77,568.65
Step by Step Solution
- Step 1: Write the proportion equation
96,508.37 : 133,170.80 = 56,213.70 : x - Step 2: Convert to fraction form
96,508.37/133,170.80 = 56,213.70/x - Step 3: Cross multiply
96,508.37x = 133,170.80 × 56,213.70 - Step 4: Simplify right side
96,508.37x = 7,486,023,118.89 - Step 5: Solve for x
x = 7,486,023,118.89/96,508.37 - Step 6: Final answer
x = 77,568.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.