Finding the Fourth Proportional to 75,918.09, 113,800.93 and 25,964.01
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Solution
The fourth proportional to 75,918.09, 113,800.93 and 25,964.01 is: 38,919.95
Step by Step Solution
- Step 1: Write the proportion equation
75,918.09 : 113,800.93 = 25,964.01 : x - Step 2: Convert to fraction form
75,918.09/113,800.93 = 25,964.01/x - Step 3: Cross multiply
75,918.09x = 113,800.93 × 25,964.01 - Step 4: Simplify right side
75,918.09x = 2,954,728,484.53 - Step 5: Solve for x
x = 2,954,728,484.53/75,918.09 - Step 6: Final answer
x = 38,919.95
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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.