Finding the Fourth Proportional to 99,011.88, 148,556.70 and 43,569
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Solution
The fourth proportional to 99,011.88, 148,556.70 and 43,569 is: 65,370.61
Step by Step Solution
- Step 1: Write the proportion equation
99,011.88 : 148,556.70 = 43,569 : x - Step 2: Convert to fraction form
99,011.88/148,556.70 = 43,569/x - Step 3: Cross multiply
99,011.88x = 148,556.70 × 43,569 - Step 4: Simplify right side
99,011.88x = 6,472,466,862.30 - Step 5: Solve for x
x = 6,472,466,862.30/99,011.88 - Step 6: Final answer
x = 65,370.61
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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.