Finding the Fourth Proportional to 106,372.68, 146,787.29 and 58,625.91
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Solution
The fourth proportional to 106,372.68, 146,787.29 and 58,625.91 is: 80,899.90
Step by Step Solution
- Step 1: Write the proportion equation
106,372.68 : 146,787.29 = 58,625.91 : x - Step 2: Convert to fraction form
106,372.68/146,787.29 = 58,625.91/x - Step 3: Cross multiply
106,372.68x = 146,787.29 × 58,625.91 - Step 4: Simplify right side
106,372.68x = 8,605,538,379.40 - Step 5: Solve for x
x = 8,605,538,379.40/106,372.68 - Step 6: Final answer
x = 80,899.90
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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.