Finding the Fourth Proportional to 83,771.74, 115,605.66 and 46,045.99
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Solution
The fourth proportional to 83,771.74, 115,605.66 and 46,045.99 is: 63,543.83
Step by Step Solution
- Step 1: Write the proportion equation
83,771.74 : 115,605.66 = 46,045.99 : x - Step 2: Convert to fraction form
83,771.74/115,605.66 = 46,045.99/x - Step 3: Cross multiply
83,771.74x = 115,605.66 × 46,045.99 - Step 4: Simplify right side
83,771.74x = 5,323,177,064.30 - Step 5: Solve for x
x = 5,323,177,064.30/83,771.74 - Step 6: Final answer
x = 63,543.83
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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.