Finding the Fourth Proportional to 93,944.36, 129,629.11 and 53,649.54
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Solution
The fourth proportional to 93,944.36, 129,629.11 and 53,649.54 is: 74,028.31
Step by Step Solution
- Step 1: Write the proportion equation
93,944.36 : 129,629.11 = 53,649.54 : x - Step 2: Convert to fraction form
93,944.36/129,629.11 = 53,649.54/x - Step 3: Cross multiply
93,944.36x = 129,629.11 × 53,649.54 - Step 4: Simplify right side
93,944.36x = 6,954,542,088.58 - Step 5: Solve for x
x = 6,954,542,088.58/93,944.36 - Step 6: Final answer
x = 74,028.31
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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.