Finding the Fourth Proportional to 96,434.98, 144,686.50 and 43,121.99
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Solution
The fourth proportional to 96,434.98, 144,686.50 and 43,121.99 is: 64,698.21
Step by Step Solution
- Step 1: Write the proportion equation
96,434.98 : 144,686.50 = 43,121.99 : x - Step 2: Convert to fraction form
96,434.98/144,686.50 = 43,121.99/x - Step 3: Cross multiply
96,434.98x = 144,686.50 × 43,121.99 - Step 4: Simplify right side
96,434.98x = 6,239,170,060.05 - Step 5: Solve for x
x = 6,239,170,060.05/96,434.98 - Step 6: Final answer
x = 64,698.21
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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.