Finding the Fourth Proportional to 89,715.49, 134,472.65 and 36,395.08
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Solution
The fourth proportional to 89,715.49, 134,472.65 and 36,395.08 is: 54,551.81
Step by Step Solution
- Step 1: Write the proportion equation
89,715.49 : 134,472.65 = 36,395.08 : x - Step 2: Convert to fraction form
89,715.49/134,472.65 = 36,395.08/x - Step 3: Cross multiply
89,715.49x = 134,472.65 × 36,395.08 - Step 4: Simplify right side
89,715.49x = 4,894,142,000.22 - Step 5: Solve for x
x = 4,894,142,000.22/89,715.49 - Step 6: Final answer
x = 54,551.81
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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.