Finding the Fourth Proportional to 106,506.36, 146,979.26 and 58,759.70
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Solution
The fourth proportional to 106,506.36, 146,979.26 and 58,759.70 is: 81,088.64
Step by Step Solution
- Step 1: Write the proportion equation
106,506.36 : 146,979.26 = 58,759.70 : x - Step 2: Convert to fraction form
106,506.36/146,979.26 = 58,759.70/x - Step 3: Cross multiply
106,506.36x = 146,979.26 × 58,759.70 - Step 4: Simplify right side
106,506.36x = 8,636,456,415.48 - Step 5: Solve for x
x = 8,636,456,415.48/106,506.36 - Step 6: Final answer
x = 81,088.64
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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.