Finding the Fourth Proportional to 54,106.26, 81,159.12 and 14,663.31
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Solution
The fourth proportional to 54,106.26, 81,159.12 and 14,663.31 is: 21,994.89
Step by Step Solution
- Step 1: Write the proportion equation
54,106.26 : 81,159.12 = 14,663.31 : x - Step 2: Convert to fraction form
54,106.26/81,159.12 = 14,663.31/x - Step 3: Cross multiply
54,106.26x = 81,159.12 × 14,663.31 - Step 4: Simplify right side
54,106.26x = 1,190,061,335.89 - Step 5: Solve for x
x = 1,190,061,335.89/54,106.26 - Step 6: Final answer
x = 21,994.89
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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.