Finding the Fourth Proportional to 90,737.94, 136,107.14 and 27,558.55
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Solution
The fourth proportional to 90,737.94, 136,107.14 and 27,558.55 is: 41,337.89
Step by Step Solution
- Step 1: Write the proportion equation
90,737.94 : 136,107.14 = 27,558.55 : x - Step 2: Convert to fraction form
90,737.94/136,107.14 = 27,558.55/x - Step 3: Cross multiply
90,737.94x = 136,107.14 × 27,558.55 - Step 4: Simplify right side
90,737.94x = 3,750,915,423.05 - Step 5: Solve for x
x = 3,750,915,423.05/90,737.94 - Step 6: Final answer
x = 41,337.89
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1.5x scale
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.