Finding the Fourth Proportional to 75,536.19, 113,202.22 and 28,763.55
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Solution
The fourth proportional to 75,536.19, 113,202.22 and 28,763.55 is: 43,106.46
Step by Step Solution
- Step 1: Write the proportion equation
75,536.19 : 113,202.22 = 28,763.55 : x - Step 2: Convert to fraction form
75,536.19/113,202.22 = 28,763.55/x - Step 3: Cross multiply
75,536.19x = 113,202.22 × 28,763.55 - Step 4: Simplify right side
75,536.19x = 3,256,097,715.08 - Step 5: Solve for x
x = 3,256,097,715.08/75,536.19 - Step 6: Final answer
x = 43,106.46
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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.