Finding the Fourth Proportional to 84,088.26, 125,874.80 and 54,447.12
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Solution
The fourth proportional to 84,088.26, 125,874.80 and 54,447.12 is: 81,503.89
Step by Step Solution
- Step 1: Write the proportion equation
84,088.26 : 125,874.80 = 54,447.12 : x - Step 2: Convert to fraction form
84,088.26/125,874.80 = 54,447.12/x - Step 3: Cross multiply
84,088.26x = 125,874.80 × 54,447.12 - Step 4: Simplify right side
84,088.26x = 6,853,520,068.34 - Step 5: Solve for x
x = 6,853,520,068.34/84,088.26 - Step 6: Final answer
x = 81,503.89
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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.