Finding the Fourth Proportional to 89,363.48, 134,023.08 and 30,197.84
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Solution
The fourth proportional to 89,363.48, 134,023.08 and 30,197.84 is: 45,289.28
Step by Step Solution
- Step 1: Write the proportion equation
89,363.48 : 134,023.08 = 30,197.84 : x - Step 2: Convert to fraction form
89,363.48/134,023.08 = 30,197.84/x - Step 3: Cross multiply
89,363.48x = 134,023.08 × 30,197.84 - Step 4: Simplify right side
89,363.48x = 4,047,207,526.15 - Step 5: Solve for x
x = 4,047,207,526.15/89,363.48 - Step 6: Final answer
x = 45,289.28
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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.