Finding the Fourth Proportional to 81,925.62, 122,887.39 and 44,722.70
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Solution
The fourth proportional to 81,925.62, 122,887.39 and 44,722.70 is: 67,083.48
Step by Step Solution
- Step 1: Write the proportion equation
81,925.62 : 122,887.39 = 44,722.70 : x - Step 2: Convert to fraction form
81,925.62/122,887.39 = 44,722.70/x - Step 3: Cross multiply
81,925.62x = 122,887.39 × 44,722.70 - Step 4: Simplify right side
81,925.62x = 5,495,855,876.75 - Step 5: Solve for x
x = 5,495,855,876.75/81,925.62 - Step 6: Final answer
x = 67,083.48
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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.