Finding the Fourth Proportional to 75,646.44, 113,539.68 and 38,232.84
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Solution
The fourth proportional to 75,646.44, 113,539.68 and 38,232.84 is: 57,384.65
Step by Step Solution
- Step 1: Write the proportion equation
75,646.44 : 113,539.68 = 38,232.84 : x - Step 2: Convert to fraction form
75,646.44/113,539.68 = 38,232.84/x - Step 3: Cross multiply
75,646.44x = 113,539.68 × 38,232.84 - Step 4: Simplify right side
75,646.44x = 4,340,944,419.09 - Step 5: Solve for x
x = 4,340,944,419.09/75,646.44 - Step 6: Final answer
x = 57,384.65
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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.