Finding the Fourth Proportional to 75,756.40, 113,634.58 and 23,165.88
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Solution
The fourth proportional to 75,756.40, 113,634.58 and 23,165.88 is: 34,748.81
Step by Step Solution
- Step 1: Write the proportion equation
75,756.40 : 113,634.58 = 23,165.88 : x - Step 2: Convert to fraction form
75,756.40/113,634.58 = 23,165.88/x - Step 3: Cross multiply
75,756.40x = 113,634.58 × 23,165.88 - Step 4: Simplify right side
75,756.40x = 2,632,445,044.13 - Step 5: Solve for x
x = 2,632,445,044.13/75,756.40 - Step 6: Final answer
x = 34,748.81
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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.