Finding the Fourth Proportional to 83,736.13, 115,557.18 and 45,496.44
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Solution
The fourth proportional to 83,736.13, 115,557.18 and 45,496.44 is: 62,785.80
Step by Step Solution
- Step 1: Write the proportion equation
83,736.13 : 115,557.18 = 45,496.44 : x - Step 2: Convert to fraction form
83,736.13/115,557.18 = 45,496.44/x - Step 3: Cross multiply
83,736.13x = 115,557.18 × 45,496.44 - Step 4: Simplify right side
83,736.13x = 5,257,440,306.44 - Step 5: Solve for x
x = 5,257,440,306.44/83,736.13 - Step 6: Final answer
x = 62,785.80
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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.