Finding the Fourth Proportional to 81,919.93, 113,049.47 and 46,110.13
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Solution
The fourth proportional to 81,919.93, 113,049.47 and 46,110.13 is: 63,631.96
Step by Step Solution
- Step 1: Write the proportion equation
81,919.93 : 113,049.47 = 46,110.13 : x - Step 2: Convert to fraction form
81,919.93/113,049.47 = 46,110.13/x - Step 3: Cross multiply
81,919.93x = 113,049.47 × 46,110.13 - Step 4: Simplify right side
81,919.93x = 5,212,725,758.13 - Step 5: Solve for x
x = 5,212,725,758.13/81,919.93 - Step 6: Final answer
x = 63,631.96
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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.