Finding the Fourth Proportional to 75,766.68, 113,720.04 and 38,353.01
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Solution
The fourth proportional to 75,766.68, 113,720.04 and 38,353.01 is: 57,564.95
Step by Step Solution
- Step 1: Write the proportion equation
75,766.68 : 113,720.04 = 38,353.01 : x - Step 2: Convert to fraction form
75,766.68/113,720.04 = 38,353.01/x - Step 3: Cross multiply
75,766.68x = 113,720.04 × 38,353.01 - Step 4: Simplify right side
75,766.68x = 4,361,505,262.72 - Step 5: Solve for x
x = 4,361,505,262.72/75,766.68 - Step 6: Final answer
x = 57,564.95
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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.