Finding the Fourth Proportional to 83,751.51, 125,645.69 and 46,366.09
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Solution
The fourth proportional to 83,751.51, 125,645.69 and 46,366.09 is: 69,559.34
Step by Step Solution
- Step 1: Write the proportion equation
83,751.51 : 125,645.69 = 46,366.09 : x - Step 2: Convert to fraction form
83,751.51/125,645.69 = 46,366.09/x - Step 3: Cross multiply
83,751.51x = 125,645.69 × 46,366.09 - Step 4: Simplify right side
83,751.51x = 5,825,699,370.65 - Step 5: Solve for x
x = 5,825,699,370.65/83,751.51 - Step 6: Final answer
x = 69,559.34
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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.