Finding the Fourth Proportional to 75,860.81, 113,824.02 and 29,102.75
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Solution
The fourth proportional to 75,860.81, 113,824.02 and 29,102.75 is: 43,666.71
Step by Step Solution
- Step 1: Write the proportion equation
75,860.81 : 113,824.02 = 29,102.75 : x - Step 2: Convert to fraction form
75,860.81/113,824.02 = 29,102.75/x - Step 3: Cross multiply
75,860.81x = 113,824.02 × 29,102.75 - Step 4: Simplify right side
75,860.81x = 3,312,591,998.06 - Step 5: Solve for x
x = 3,312,591,998.06/75,860.81 - Step 6: Final answer
x = 43,666.71
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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.