Finding the Fourth Proportional to 106,506.29, 146,979.16 and 58,761.05
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Solution
The fourth proportional to 106,506.29, 146,979.16 and 58,761.05 is: 81,090.50
Step by Step Solution
- Step 1: Write the proportion equation
106,506.29 : 146,979.16 = 58,761.05 : x - Step 2: Convert to fraction form
106,506.29/146,979.16 = 58,761.05/x - Step 3: Cross multiply
106,506.29x = 146,979.16 × 58,761.05 - Step 4: Simplify right side
106,506.29x = 8,636,648,887.92 - Step 5: Solve for x
x = 8,636,648,887.92/106,506.29 - Step 6: Final answer
x = 81,090.50
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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.