Finding the Fourth Proportional to 96,765.94, 133,536.90 and 54,324.55
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Solution
The fourth proportional to 96,765.94, 133,536.90 and 54,324.55 is: 74,967.82
Step by Step Solution
- Step 1: Write the proportion equation
96,765.94 : 133,536.90 = 54,324.55 : x - Step 2: Convert to fraction form
96,765.94/133,536.90 = 54,324.55/x - Step 3: Cross multiply
96,765.94x = 133,536.90 × 54,324.55 - Step 4: Simplify right side
96,765.94x = 7,254,332,000.90 - Step 5: Solve for x
x = 7,254,332,000.90/96,765.94 - Step 6: Final answer
x = 74,967.82
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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.