Finding the Fourth Proportional to 75,150.49, 103,707.51 and 41,158.99
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Solution
The fourth proportional to 75,150.49, 103,707.51 and 41,158.99 is: 56,799.32
Step by Step Solution
- Step 1: Write the proportion equation
75,150.49 : 103,707.51 = 41,158.99 : x - Step 2: Convert to fraction form
75,150.49/103,707.51 = 41,158.99/x - Step 3: Cross multiply
75,150.49x = 103,707.51 × 41,158.99 - Step 4: Simplify right side
75,150.49x = 4,268,496,367.01 - Step 5: Solve for x
x = 4,268,496,367.01/75,150.49 - Step 6: Final answer
x = 56,799.32
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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.