Finding the Fourth Proportional to 96,477.83, 133,143.53 and 56,185.09
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Solution
The fourth proportional to 96,477.83, 133,143.53 and 56,185.09 is: 77,537.82
Step by Step Solution
- Step 1: Write the proportion equation
96,477.83 : 133,143.53 = 56,185.09 : x - Step 2: Convert to fraction form
96,477.83/133,143.53 = 56,185.09/x - Step 3: Cross multiply
96,477.83x = 133,143.53 × 56,185.09 - Step 4: Simplify right side
96,477.83x = 7,480,680,550.25 - Step 5: Solve for x
x = 7,480,680,550.25/96,477.83 - Step 6: Final answer
x = 77,537.82
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1.5x scale
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.