Finding the Fourth Proportional to 89,117.57, 133,678.07 and 32,928.68
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Solution
The fourth proportional to 89,117.57, 133,678.07 and 32,928.68 is: 49,393.65
Step by Step Solution
- Step 1: Write the proportion equation
89,117.57 : 133,678.07 = 32,928.68 : x - Step 2: Convert to fraction form
89,117.57/133,678.07 = 32,928.68/x - Step 3: Cross multiply
89,117.57x = 133,678.07 × 32,928.68 - Step 4: Simplify right side
89,117.57x = 4,401,842,390.05 - Step 5: Solve for x
x = 4,401,842,390.05/89,117.57 - Step 6: Final answer
x = 49,393.65
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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.