Finding the Fourth Proportional to 79,955.13, 119,837.12 and 37,202.81
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Solution
The fourth proportional to 79,955.13, 119,837.12 and 37,202.81 is: 55,759.74
Step by Step Solution
- Step 1: Write the proportion equation
79,955.13 : 119,837.12 = 37,202.81 : x - Step 2: Convert to fraction form
79,955.13/119,837.12 = 37,202.81/x - Step 3: Cross multiply
79,955.13x = 119,837.12 × 37,202.81 - Step 4: Simplify right side
79,955.13x = 4,458,277,198.89 - Step 5: Solve for x
x = 4,458,277,198.89/79,955.13 - Step 6: Final answer
x = 55,759.74
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1.5x scale
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.