Finding the Fourth Proportional to 79,955.91, 110,338.41 and 44,146.18
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Solution
The fourth proportional to 79,955.91, 110,338.41 and 44,146.18 is: 60,921.31
Step by Step Solution
- Step 1: Write the proportion equation
79,955.91 : 110,338.41 = 44,146.18 : x - Step 2: Convert to fraction form
79,955.91/110,338.41 = 44,146.18/x - Step 3: Cross multiply
79,955.91x = 110,338.41 × 44,146.18 - Step 4: Simplify right side
79,955.91x = 4,871,019,032.93 - Step 5: Solve for x
x = 4,871,019,032.93/79,955.91 - Step 6: Final answer
x = 60,921.31
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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.