Finding the Fourth Proportional to 96,979.20, 133,828.56 and 58,761.36
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Solution
The fourth proportional to 96,979.20, 133,828.56 and 58,761.36 is: 81,089.02
Step by Step Solution
- Step 1: Write the proportion equation
96,979.20 : 133,828.56 = 58,761.36 : x - Step 2: Convert to fraction form
96,979.20/133,828.56 = 58,761.36/x - Step 3: Cross multiply
96,979.20x = 133,828.56 × 58,761.36 - Step 4: Simplify right side
96,979.20x = 7,863,948,192.44 - Step 5: Solve for x
x = 7,863,948,192.44/96,979.20 - Step 6: Final answer
x = 81,089.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.