Finding the Fourth Proportional to 75,921.93, 113,891.19 and 46,528.65
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Solution
The fourth proportional to 75,921.93, 113,891.19 and 46,528.65 is: 69,798.06
Step by Step Solution
- Step 1: Write the proportion equation
75,921.93 : 113,891.19 = 46,528.65 : x - Step 2: Convert to fraction form
75,921.93/113,891.19 = 46,528.65/x - Step 3: Cross multiply
75,921.93x = 113,891.19 × 46,528.65 - Step 4: Simplify right side
75,921.93x = 5,299,203,317.59 - Step 5: Solve for x
x = 5,299,203,317.59/75,921.93 - Step 6: Final answer
x = 69,798.06
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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.