Finding the Fourth Proportional to 96,396.46, 133,027.78 and 56,133.70
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Solution
The fourth proportional to 96,396.46, 133,027.78 and 56,133.70 is: 77,464.89
Step by Step Solution
- Step 1: Write the proportion equation
96,396.46 : 133,027.78 = 56,133.70 : x - Step 2: Convert to fraction form
96,396.46/133,027.78 = 56,133.70/x - Step 3: Cross multiply
96,396.46x = 133,027.78 × 56,133.70 - Step 4: Simplify right side
96,396.46x = 7,467,341,494.19 - Step 5: Solve for x
x = 7,467,341,494.19/96,396.46 - Step 6: Final answer
x = 77,464.89
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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.